fordjohn907 fordjohn907

03-09-2020
Mathematics

contestada

if f(x) = 5x + 40, what is f(x) when x= -5

Respuesta :

05-09-2020

All we need to do is substitute and solve:

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

f(-5) = -25 + 40

f(-5) = 15

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