Question

Resolva a função: f(x)=8x+8
a) 1
b) -1
c) 8
d) x​

Answer 1

Resposta:

a) f(x)=8x+8

f(1)=8.1+8

f(1)=8+8

f(1)=16

b) f(x)=8x+8

f(-1)=8.(-1)+8

f(-1)=-8+8

f(-1)=0

c) f(x)=8x+8

f(8)=8.8+8

f(8)=64+8

f(8)=72

f(x)=8x+8

8.x+8=0

8x=-8

x=$\frac{-8}{8}$

x=-1