Respuesta :

I will plug in 3 numbers for you..
F(x)=-3(x)+1
f(1)=-3(1)+1
f(1)=-3+1
f(1)=-2

f(x)=-3(x)+1
f(2)=-3(2)+1

f(2)=-6+1
f(2)=-5

f(x)=-3(x)+1
f(3)=-3(3)+1
f(3)=-9+1
f(3)=-8

You basically plug in numbers for x and do it the way I did it