Question

given the functions f(x)=x^3-11x^2 40x-48 what one the following is a factor of f(x)? answer choices: a: x 16 b:x 4 c:x-16 d:x-3

Answer 1

Hello,

f(x)=x^3-11x²+40x-48
f(3)=3^3-11*3²+40*3-48=0

f(x)=(x-3)*(x-4)²

Answer D