Tolong dong pake cara hahahahahaaa

3. Misal f(x) = p
x+1 = p
x = p-1
(g o f)(x) = 3x+5
g(p) = 3(p-1)+5 = 3p + 2
g(x) = 3x + 2

4. Misal f(x) = p
x-3 = p
x = p+3
(g o f)(x) = x² - 4
g(p) = (p+3)² - 4 = p² + 6p + 5
g(x) = x² + 6x + 5
Semoga membantu.