Answer: D) [tex]x^{4} + 7x^3-11x-77[/tex]
Step-by-step explanation:
f(x) = [tex]\sqrt{x^2+14x+49}[/tex] g(x) = [tex]x^3-11[/tex]
= [tex]\sqrt{(x+7)^2}[/tex]
= x + 7
f(x) · g(x) = (x + 7)(x³ - 11)
= [tex]\large\boxed{x^4+7x^3-11x-77}[/tex]
