Question

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

Answer 1

Answer:

15

Step-by-step explanation:

$f(x) = 5x + 40 \\ f( - 5) = - 25 + 40 \\ f( - 5) = 15 \\ f(x) = 15$

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Answer 2

Answer:

answer is

Step-by-step explanation:

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

= -25 + 40

= 15