Perform the indicated operation

Question

Perform the indicated operation

g(x) = x^3+4x^2

f(x) = -2x+5

find (g°f)(6)

Answer 1

g(x) = x^3+4x^2

f(x) = -2x+5

find (g(f))(6)



first calculate f(6)

f(6) = -2(6)+5 = 7

(g(f))(6) = g(7) = 7^3 + 4(7)^2 = 539