Answer: (f·f)(0) = 4
(fof)(0) = -8
Explanation:
f(x) = 3x - 2
(f·f)(x) = (3x - 2)(3x - 2)
= 9x² - 12x + 4
(f·f)(0) = 9(0)² - 12(0) + 4
= 4
(fof) = 3(3x - 2) - 2
= 9x - 8
(fof)(0) = 9(0) - 8
= -8
I wasn't sure if you wanted multiplication or composition so I solved both