Question

For each function, find f(-1), f(0), and f(2).

f(x)=4x-3

f(x)=1/2x+2

Answer 1

f(x)=4x-3
f(-1)=4(-1)-3=-4-3= -7
f(0)=4(0)-3= -3
f(2)=4(2)-3=8-3= 5


f(x)=1/2x+2
f(-1)=1/2(-1)+2=1/(0)= unknown
f(0)=1/2x+2=1/2(0)+2=1/2
f(2)=1/2x+2=1/2(2)+2=1/6