If f(x) = 5x + 40, what is f(x) when x = –5? –9 –8 7 15

asked Oct 6, 2020 50.8k views

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If f(x) = 5x + 40, what is f(x) when x = –5?

–9
–8
7
15

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4 votes

25 would be ur answer happy to help

SamS answered Oct 9, 2020

by SamS

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6 votes

Answer:

Explanation:

since f acts on x lets plug in -5 for x in f(x)

f(-5)=5(-5)+40=15

f(-5)=15

Fuyang Liu answered Oct 10, 2020

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