Question

Find f(x) = -3x2 + 2x - 7 if f(-1)
I am really confused. Can someone please help me?

Answer 1

f(-1)
replace all x with -1
f(-1)=-3(-1)^2+2(-1)-7
f(-1)=-3(1)-2-7
f(-1)=-3-9
f(-1)=-12