Question: Let f(x) = x 2 - 16 and g(x) = x + 4. Find f g and its domain. Question options: A. x + 4;

  1. Let f(x) = x2- 16 and g(x) = x + 4. Find

f

g

and its domain.

Question options:

A.

x + 4; all real numbers except x -4

B. x - 4; all real numbers except x 4

C. x + 4; all real numbers except x 4

D. x - 4; all real numbers except x -4

2.

What is a quartic function with only the two real zeros given?

x = -4 and x = -1

Question options:

A. y = x4+ 5x3+ 5x2+ 5x - 5

B. y = -x4+ 5x3+ 5x2+ 5x + 4

C. y = x4- 5x3- 5x2- 5x - 4

D. y = x4+ 5x3+ 5x2+ 5x + 4

3. Over two summers, Ray saved $900 and $500. The polynomial 900x2+ 500x represents his savings at the beginning of the third year, where x is the growth factor. (The interest rate r is x - 1.)What is the interest rate he needs to start the third year with $1600 in savings?

Question options:

A. 264%

B. 8.4%

C. 1.1%

D. 0.1%

4.

Find the mean, median, and mode of the data set. Round to the nearest tenth.

Test scores on a math exam:

88, 89, 65, 62, 83, 63, 84, 63, 74, 64, 71, 82, 66, 88, 79, 60, 86, 63, 93, 99, 60, 85

Question options:

A. mean = 69.5, median = 76.5, mode = 79.5

B. mean = 69.5, median = 76.5, mode = 63

C. mean = 75.8, median =76.5, mode = 63

D. mean = 75.8, median = 89.5, mode = 6

5.

What are the values that satisfy the trigonometric equation for:

0q2

L

Question options:

A.

0,

B.

2

,

3

2

C.

4

,

5

4

D.

0,

2

,,

3

2

6.

Find the roots of the polynomial equation.

x3- 2x2+ 10x + 136 = 0

Question options:

A.

3 i, 4

B.

-3 5i, -4

C.

-3 i, 4

D.

3 5i, -4

7.

7.

What are the intercepts of the equation? Graph the equation.

-3x + 4y = -12

Question options:

a)

x-intercept: (4, 0)

b)

x-intercept: (-3, 0)

c)

x-intercept: (-3, 0)

d)

x-intercept: (4, 0)

8.

What is the expression in factored form?

x2+ 14x + 48

Question options:

A.

(x + 6)(x + 8)

B.

(x + 6)(x - 8)

C.

(x + 8)(x - 6)

D.

(x - 8)(x - 6)

9.

Sketch the angle in standard position. -95

Question options:

10.

A soccer team is collecting money to buy their coach a present. The table represents the cost per person for the gift compared to the number of people contributing. What function models the data, and how much per person will it cost if all 40 players contribute?

Question options:

A.

n

c

=200,$20

B.

n

c

=100,$5

C.

nc = 200, $5

D.

nc = 400, $10

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