If the function f(x)=mx+b has an inverse function, which statement must be true?
A.m does not equal 0
B.m=0
C.b does not equal 0
D. b equals 0

Relax

Respuesta :

cmrc78

Answer:

A

Step-by-step explanation:

Rewriting the expression using y instead of f(x) (y = mx + b), you get y-b = m*x or x = (y-b) / m which is undefined when m = 0.