8cnx7429ny 8cnx7429ny

14-01-2022
Mathematics

contestada

If f(x) = 5x + 40, what is f(x) when x = -5?
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Respuesta :

sqdancefan sqdancefan

18-01-2022

Answer:

15

Step-by-step explanation:

When you are evaluating a function for a particular value of the variable, put that value everywhere you see the variable. Then simplify.

f(x) = 5x +40

When x = -5, this becomes ...

f(-5) = 5(-5) +40 = -25 +40

f(-5) = 15

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