Question

Dada as funções f(x)=7x + 21, f(x)=7x + 21 encontre:

A) f(0)

B) f(4)

C) f(-8)

D)(-2)

Answer 1

A) F(0)=7.0+21
F (0)=0+21
F (0)=21

B) F(4)=7.4+21
F(4)=28+21
F(4)=49

C) F(-8)=7.(-8)+21
F(-8)= -56+21
F(-8)= -35

D) F(-2)=7.(-2)+21
F(-2)= -14+21
F(-2)= 7

espero que tenho ajudado ❤