driedriebabygirl driedriebabygirl

28-09-2018
Mathematics

contestada

if f(x)= -x+7 what is f(15)?

Respuesta :

Alyssa7082 Alyssa7082

28-09-2018

x = 15

Substitute that to equation

-(15) + 7

Answer:
f(x) = -8

Answer Link

paytonpoorman34 paytonpoorman34

28-09-2018

F(x)=-x+7, and by saying “f(15)”, your saying x=15, since f(x) turns into f(15). So just replace all x’s with 15.

F(15)=-15+7
F(15)=-8

So -8 is the answer:)

Answer Link

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