Question

Dada a função do 1° grau f(x)=1-5×, determine

A) f(0)

B) f(-1)

C) f(1/5)

D) f(-1/5)

Answer 1

A) f(x)=1-5.(0)=1
B) f(x)= 1-5.(-1)=6
C) f(x)=1-5.(1/5)=0
D) f(x)=1-5.(-1/5)=2