Question

Use the functions f(x) and g(x) to answer the question f(x)=x^2-16 ; g(x) =x+4 which is equal to (f/g)(x)?

A.x+4,x=-4
B.x-4,x=4
C.x-4,x=-4
D.x+4,x=4

Answer 1

(x+4)^2-16=0
x^2+4x+16-16=0
x(x+4)=0
A.x+4,x=-4