How does f(x) = 5x change over the interval from x = 7 to x = 8? A) f(x) increases by 5 B) f(x) decreases by 5 C) f(x) increases by a factor of 5 D) f(x) decreases by a factor of 5

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asked Jun 8, 2020 117k views

3 votes

How does f(x) = 5x change over the interval from x = 7 to x = 8?

A) f(x) increases by 5

B) f(x) decreases by 5

C) f(x) increases by a factor of 5

D) f(x) decreases by a factor of 5

Mathematics
high-school

Akajack asked

by Akajack

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2 Answers

5 votes

Answer:

the answer is a

Explanation:

5x7= 35, 5x8= 40 40-35=5

Jack Leow answered Jun 11, 2020

by Jack Leow

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5 votes

f(x) increases by five, because f(7) is 35 and f(8) is 40.

Yefim answered Jun 12, 2020

by Yefim

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