Question

Find the indicated outputs for
f(x)=4xsquared-4x
f(0)
f(-1)
f(2)

Answer 1

plug in the numbers
f(0)=4(0)^2-4(0)=0
f(-1)=4(-1)^2-4(-1)=4+4=8
f(2)=4(2)^2-4(2)=16-8=8

Answer 2

f(0)=0
f(-1)= -8
f(2)= 16 is this right?