Question

If lim as x approaches 3 at f(x)/(2x-6)=f'(3)=0 which of the following must be true?

I) (3,0) is a critical point of f(x).

II) f(x) has a local minimum at x=3

III) f(x) is continuous at x=3

a) I only
b) II only
c) III only
d) I and III only
e)I II and III

Answer 1

what do you think?