If g(x) = 3x-8, find g[g(-4)].

Question

3(-4)-8
-12-8=-20

Is this correct?

Thanks

Answer 1

g(-4) = 3(-4) - 8 = -20 indeed,
BUT
then we were supposed to do g(-20)
g(-20) = 3(-20) - 8
= - 60 - 8
= -68