21

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At a glance, Kendra believes that the function represented on the graph is linear.

A

She can check to see if the rate of vertical increase equals the rate of horizontal increase between each pair of points.

B

She can check to see if the sum of each y-value and x-value in every ordered pair is the same.

C

She can check to see if the quotient of each y-value and x-value in every ordered pair is the same.

D

She can check to see if the rate of change between the first two ordered pairs is the same as the rate of change between the first and last ordered pairs.

22

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Which ordered pairs are in the solution set of the system of linear inequalities?y > x + 2y < 2x + 3

A

(2, 2), (3, 1), (4, 2)

B

(2, 2), (3, –1), (4, 1)

C

(2, 2), (1, –2), (0, 2)

D

(2, 2), (1, 2), (2, 0)

23

Which is the graph of g(x)?g(x) =

A

Option

B

Option

C

Option

D

Option

24

The function f(x) = 8 is reflected across the y-axis to create g(x). Which table of values could be used to graph g(x)?

A

A 3-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entires 128, 32, 8, 2, one-half. The third column is labeled g (x) with entries one-half, 2, 8, 32, 128.

B

A 3-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entires 128, 32, 0, 2, one-half. The third column is labeled g (x) with entries one-half, 2, 0, 32, 128.

C

A 3-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entires 128, 32, 8, 2, one-half. The third column is labeled g (x) with entries negative 128, negative 32, negative 8, negative 2, negative one-half.

D

A 3-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entires 128, 32, 0, 2, one-half. The third column is labeled g (x) with entries negative 128, negative 32, 0, negative 2, negative one-half.

25

The table shows ordered pairs of the function y = 16 + 0.5x .

A

(0, 18)

B

(5, 19.5)

C

(8, 20)

D

(10, 21.5)

Cumulative Exam — Cumulative exam Answers

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