Answer:
f(g(x) ) = (x² + x - 1)³ - 2(x² + x - 1)² + 3(x² + x - 1) - 5
Step-by-step explanation:
f(x) = x³- 2x² + 3x - 5 g(x) = x² + x - 1
f(g(x))
f(x² + x - 1) substitute x² + x - 1 into each x term in using f(x)
(x² + x - 1)³ - 2(x² + x - 1)² + 3(x² + x - 1) - 5
