Question

Dado f (x)=4x-7, calcule o valor de:
f(0)=
f(-2)=
f(1)=

Answer 1

f(x)= 4x-7
f(0)=4.0-7= 0-7= -7
f(-2)=4.2-7= 8-7= +1
f(1)= 4.1-7= 4-7= -3