Question

if lim
x→0 (f(x)-f(0))/(x-0)=∞ which statement is false?

a. the tangent line is vertical at x=0
b.f(x) is differentiable at x=0
c. this could b the derivative of f(x)=x^(1/3)
d. f is not differentiable at x=0

Answer 1

C is the correct answer ,,,,