Question

Write the product of the given function (f g)(x): f(x)= x^2 -9 and g(x)= x+1

Answer 1

Answer: x^3+x^2-9x-9

Explanation:

(fg)(x)=

f(x)*g(x)=

(x^2-9)*(x+1)=

x(x^2-9)+1(x^2-9)=

x^3-9x+x^2-9=x^3+x^2-9x-9

Answer 2

x³ + x² - 9x -9 if you multiply each character with the others.