Question

Let f(x) = x^2 + 3x – 4 and g(x) = x + 5. Find f(x) • g(x).

x^3 + 3x^2 + 16x – 20

x^3 + 5x^2 + 14x – 20

x^3 + 8x^2 + 11x – 20

x^3 + 9x^2 + 19x – 20

Answer 1

the third one