Question

f(x)=5x-3x+2 find f(-2),f(0),f(1)

Answer 1

f(-2)= -2, f(0)= 2 f(1)= 4 finded by putting values in equation

Answer 2

f -2= 5*-2 -3*-2 +2
==-2
f(0)=2
f(1)=4