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Aims to develop learners' understanding of concepts and techniques drawn from number and algebra, trigonometry, finance, networks and decision mathematics.

What is the zero of the logarithmic function: f(x) = log3 (x-1)? Zero:

**0**

One hundred meters of fencing is available to enclose a rectangular area next to a river. Give a function A that can represent the area that can be enclosed in terms of x. Function : A =

**-0.5**

Are the following functions one-to-one? (Answer by typing "Yes" or "No" - without the quotation marks) f(x)=squarerootof(2−5x8)

**NO**

f(x)=x+2 f(x)=x+2 | x3 + 2x2 - 4x - 8

**f - g**

Which of the following function notation describes the ordered number pair P(x) = {(1,11), (2,22), (3,33), (4,44)}?

- f(x) = x - 11
- f(x) = 11/x
- f(x) = x + 11
**f(x) = 11x**

Find the value of the following logarithmic expressions (c) log5 5 =

**1**

log3 2x2 = log3 2 + 2 log3 x

**True**- False

If g(x) = 3x^2+2x-1. Find g(-1).

**0**

Let f(x) = 4x-5 and g(x) = 3x, find (f+g)(x).

**7x-5**

log3 2x2 = 2 log3 2x

- True
**False**

(Matching Type) Given f(x) = x + 4 and g(x) = 2x + 1 match the expression to its simplification operation. -x + 3

**f - g**

3 log9 x2 = 6 log9 x

**True**- False

For the function g(x) = 3x, find g(0) =

**1**

(Matching Type) Given f(x) = x + 4 and g(x) = 2x + 1 match the expression to its simplification operation. 2x+1 / x+4

**g/f**

What is the zero of the logarithmic function: f(x) = log3 (x-1)? What is the vertical asymptote of the function? x =

**0**

Bananas are sold at Php 50.00 per kilo. Write a function notation that describes this situation.

- a. B(x) = x - 50
- b. B(x) = x / 50
**c. B(x) = 50x**- d. B(x) = x + 50

Simplify the expression (-4a2b-1c-2) (2a3b2c-1).

- a. -8a5c3/b
- b. -8a5bc-3
- c. -8a2b
**d. -8a5b/c3**

Admission price to Enhcanted Kingdom park is Php 600 per person. The average patron attending EK spends about Php 500 on food, drinks, games, and souvenirs. Find the function notation that accurately describes this situation.

**a. E(x) = (600 + 500)x**- b. E(x) = 600 + 500x
- c. E(x) = 600x + 500
- d. E(x) = (600x + 500)x

3(log9 x)2 = 6 log9 x

**True**- False

f(x)=x+2 f(x)=x+2 | x2 + x - 2

**f + g**

Which of the following does not represent an exponential function?

**a. The conversion of fahrenheit to celsius**- b. half life of nuclear matter
- c. compound interest of loans acquired
- d. population growth of microorganisms

(Matching Type) Given f(x) = x + 4 and g(x) = 2x + 1 match the expression to its simplification operation. 2x2 + 9x + 12

**f∙g**

After taking a certain antibiotic, the concentration (C) of the drug in the patient's bloodstream is given by C(x)=(0.04t)/(t2−2)

- a. 4 hours
- b. 3 hours
- c. 5 hours
**d. 2 hours**

Which of the following function notation describes the ordered number pair P(x) = {(1,6), (2,11), (3,16), (4,21)}?

**a. f(x) = 5x + 1**- b. f(x) = 5x - 1
- c. f(x) = 11/5x
- d. f(x) = x + 6

Solve for the value of x: 7x+4 = 492x-1 x =

**2**

Without using a calculator, find the value of the following logarithmic expression.

**5**

Find the solution for the rational equation: ((2/(x+1)+5/2x)=2).

**0 and -1/5**

If g(x) = (x+2)/3. Find g(-8).

**-2**

The graph of a function and its inverse are always reflections of each other in the line y = x

**True**- False

For the function g(x) = 3x, find g(4) =

**81**

Are the following functions one-to-one? (Answer by typing "Yes" or "No" - without the quotation marks) f(x)=x

**YES**

Find the solution for each rational equation: 3/x+1 = 2/x-3

**11**

The total cost for playing paintball is Php 100 per gun for rent and Php 1000 per 2000 paintballs. Assuming only 2000 paintballs is allowed for team who will play, which of the following function notation matches the situation?

**a. P(x) = 100x + 2000**- b. P(x) = 100 + 2000x
- c. P(x) = 2000 - 100x
- d. P(x) = 2000x + 100x

Let f(x) = 4x-5 and g(x) = 3x, find (fog)(x).

**12x-5**- Solve for the logarithmic expression:
- log7 (73 • 78) = Answer
- 11

Tell whether the following is a characteristic of stocks or bonds: (a) A form of debt financing, or raising money by borrowing from investors.

**Bond**

All functions have inverse functions.

- True
**False**

Given the Function: {(1, 2), (2, 5), (3, 7)}, give the domain and the range. (Note: give the values separated by a space. example: Range: 1 2 3) Domain:

**1 2 3**

Which of the is the inverse of (f(x) = 4x+12)?

- (f(x) = 12x-4)
- (f(x) = 12x+4)
- (f(x) = (x/4)+3)
**(f(x) = (x/4)-3)**

If h (x) = (x + 2)/3, find h(-8).

- a. ½
- b. -½
**c. -2**- d. 2

Temperatures are normally expressed in degree Celsius in the Philippines and in Fahrenheit in some western countries. If the function for fahrenheit to celsius conversion is (T(°C) = (T(°F) - 32) × 5/9), the celsius to fahrenheit conversion is (T(°F) = (T(°C) × 9/5) + 32). What is the equivalent conversion of 68°F to Celsius?

**20.00**

f(x)=x+2 f(x)=x+2 | -x2 + x + 6

**f - g**

The average cost per unit C(x), in dollars, to produce x units of toy cars is given by C(x)=(8000)/(x−50)

- a. $43.60
- b. $56.40
- c. $6.15
**d. $6.67**

The absolute value function for the domain of all positive real numbers has an inverse function.

**True**- False

log 22 = (log 2)2

- True
**False**

One hundred meters of fencing is available to enclose a rectangular area next to a river. Give a function A that can represent the area that can be enclosed in terms of x. x2 +

**50**

Given ƒ(x) = x2 and g(x) = 2x – 3, find (ƒ o g)(x).

**a. 4x2 – 12x + 9**- b. 4x2 - 9
- c. 4x2 + 9
- d. 4x2 + 12x - 9

Which of the following is the inverse of f(x) = ½(3x + 4)?

- a. f-1(y) = ½ (3y-4)
**b. f-1(y) = 2/3 (y-2)**- c. f-1(y) = 2/3 (y-4)
- d. f-1(y) = 1/3 (2y+4)

The weekly sale S (in thousands of units) for the t^th week after the introduction of the product in the market is given by S=(120t)/(t2+100)

- a. Fourth
- b. Ninth
**c. Tenth**- d. Fifth

(Matching Type) Given f(x) = x + 4 and g(x) = 2x + 1 match the expression to its simplification operation. 3x + 5

**f + g**

(log3 2)(log3 4) = log3 8

- True
**False**

Find the value of each logarithmic expression. (Note: There's only one answer for the pair of logarithmic expressions indicated below.)

**5**

The cost of joining a gym membership includes a one time sign-up fee of Php 2000 plus Php 1000 for each month of membership. Which of the following function notations matches this situation?

- a. G(m) = (1000 + 2000)m
**b. G(m) = 2000 + 1000m**- c. None of the given
- d. G(m) = 1000 + 2000m

Solve for the following logarithmic functions: (b) logx 16 = 2 x =

**-4**

Given f(x)=x−2 f(x)=x−2, find the following: f(3)=

**1**

The relation pairing an SSS member to his/her SSS number is a one-to-one function.

**True**- False

Simplify (4q2r2s3 )3 .

**a. 64q6r6s9**- b. 43q6r6s9
- c. 12q6r6s9
- d. 43q5r5s6

(Matching Type) Given f(x) = x + 4 and g(x) = 2x + 1 match the expression to its simplification operation. 2x + 5

**f of g**

Tell whether the following is a characteristic of stocks or bonds: (a) A form of equity financing or raising money by allowing investors to be part owners of the company.

**Stock**

Find g(7) in a function g(x) = x2 -3x – 2.

- a. -9
**b. 26**- c. 9
- d. -5

Given ƒ(x) = x2 and g(x) = 2x – 3, compute (ƒ o g)(x); then find (ƒ +g)(2).

**a. 5**- b. 7
- c. 6
- d. 4

f(x)=x+2 f(x)=x+2 | 1/x-2

**f/g**

Admission price to Universal Studios park is Php 2600 per person. The average patron attending spends about Php 1500 on food, drinks, games, and souvenirs. Find the function notation that accurately describes this situation.

- a. E(x) = (2600x + 1500)x
- b. E(x) = 2600 + 1500x
**c. E(x) = (2600 + 1500)x**- d. E(x) = 2600x + 1500

Simplify (x2 + 2x – 3) – (x2 – 2x -3).

- a. 4x – 6
- b. 0
**c. 4x**- d. -2x2 -4x – 6

Consider the rational expression f(x)=5x−1−x+2, What is its horizontal asymptote? y =

**-5**

Given the equation (5^(-2x -10) = 25^(x + 1)), solve for the value of x that will make the equation true.

**-3**

Given f(x)=x−2 f(x)=x−2, find the following: f(0)=

**-2**

For the function g(x) = 3x, find g(-2) =

**1/9**

The relation pairing a real number to its square is a one-to-one function.

- True
**False**

(log3 2)(log3 4) = log3 6

- True
**False**

The vertical line test is used to determine whether a function is one-to-one when its graph is given.

- True
**False**

Temperatures are normally expressed in degree Celsius in the Philippines and in Fahrenheit in some western countries. If the function for fahrenheit to celsius conversion is (T(°C) = (T(°F) - 32) × 5/9), the celsius to fahrenheit conversion is (T(°F) = (T(°C) × 9/5) + 32). Are the two functions inverse of each other? (Note: "Yes" or "No")

**yes**

Solve for the value of x: 4x+2 = 82x x =

**1**

Given the Function: {(10, 9), (11, 8), (12, 7)}, give the domain and the range. (Note: give the values separated by a space. example: Range: 1 2 3) Domain:

**10 11 12**

Maya has an internet service that currently has a monthly access fee of Php 999.00 pesos and a connection fee of Php 1.00 per hour. How much will she pay if she was able to use the service for 15 days?

**1359**

(Matching Type) Given f(x) = x + 4 and g(x) = 2x + 1 match the expression to its simplification operation. x+4 / 2x+1

**f/g**

Temperatures are normally expressed in degree Celsius in the Philippines and in Fahrenheit in some western countries. If the function for fahrenheit to celsius conversion is (T(°C) = (T(°F) - 32) × 5/9), the celsius to fahrenheit conversion is (T(°F) = (T(°C) × 9/5) + 32). What is the equivalent conversion of 0°C to Fahrenheit?

**32.00**

Let f(x) = 4x-5 and g(x) = 3x, find (fg)(x).

**12x^2-15x**

f(x)=x+2 f(x)=x+2 | x2 - 2

**f ∘ g**

Given f(x)=x−2 f(x)=x−2, find the following: f(−1)=

**-3**

Are the following functions one-to-one? (Answer by typing "Yes" or "No" - without the quotation marks) f(x)=10

**NO**

Find the value of the following logarithmic expressions (b) log9 729 =

**3**

Consider the rational expression f(x)=5x−1−x+2, What is its vertical asymptote? x =

**2**

Two race car drivers Ryan and Philip were taking laps around the race track. It was noted that Ryan drove 52.5 miles in the same time that Philip drove 37.5 miles. If Ryan's average speed was 30 mph more than that of Philip, what was Ryan's average speed?

- a. 75 mph
- b. 85 mph
- c. 115 mph
**d. 105 mph**

Temperatures are normally expressed in degree Celsius in the Philippines and in Fahrenheit in some western countries. If the function for fahrenheit to celsius conversion is (T(°C) = (T(°F) - 32) × 5/9), the celsius to fahrenheit conversion is (T(°F) = (T(°C) × 9/5) + 32). What is the equivalent conversion of 70°F to Celsius?

**21.11**

From the table of values, identify which value of x are the zeroes of the function.

**-3 and 2**

Given the Function: {(10, 9), (11, 8), (12, 7)}, give the domain and the range. (Note: give the values separated by a space. example: Range: 1 2 3) Range:

**9 8 7**

3/(x+1)=2/(x−3)

**11**

Are the following functions one-to-one? (Answer by typing "Yes" or "No" - without the quotation marks) f(x)=3−8x2

**NO**

f(x)=x+2 f(x)=x+2 | x - 2

**g/f**

f(x)=squarerootof(x−3)

**5**

Evaluate ƒ(x) = /x +2/, given the ƒ(-9).

- a. -11
**b. 7**- c. -7
- d. 11

For the function g(x) = 3x, find g(2) =

**9**

Given the Function: {(1, 2), (2, 5), (3, 7)}, give the domain and the range. (Note: give the values separated by a space. example: Range: 1 2 3) Range:

**2 5 7**

Are the following functions one-to-one? (Answer by typing "Yes" or "No" - without the quotation marks) f(x)=5−9x

**YES**

Solve for the following logarithmic functions: and

**4**

If g(x) = -4a+7. Find g(2a).

**-8a+7**

If g(x) = 4|x-3|+2. Find g(1).

**10**

p=(5,125,000V2−449,000V+19307)/(125V2(1,000V−43))

**0**

Let f(x) = -10x-18 and g(x) = -3x, find (f-g)(x).

**-7x-18**

Solve for the following logarithmic functions: (a) log3 (2x-1) = 2 x =

**5**

Let f(x) = 4x-5 and g(x) = 3x, find (f/g)(x).

**(4x-5)/3x**

Find the value of the following logarithmic expressions (a) log2 32 =

**5**

For the function g(x) = 3x, find g(-4) =

**1/81**

Simplify the given expressions and find the value of x.

**64**

y−intercept

**1**

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