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Which statement describes the rate of change of the following function?

f(x) = -2x + 9

A.
The function has a varying rate of change when x 9.
C.
The function has a constant rate of change, decreasing for all x at a rate of 2.
D.
The function has a constant rate of change, increasing for all x at a rate of 9.

1 Answer

7 votes

Answer:

C,

Explanation:

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