Question

f (x)=2x+2

f(-2)= 2-2+2
f(-1)=2-1+2
f(0)=2-0+2
f(1)=21+2

Answer 1

a)f(x)=2(-2)+2
f(x)=-4+2=-2
b)f(x)=2(-1)+2
f(x)=-2+2=0
c)f(x)=2.0+2
f(x)=0+2=2
d)f(x)=2.1+2
f(x)=2+2=4