On a two-dimensional coordinate plane, the line d = x^2 - x^3 touches the x-axis in how many places?  Choose the correct choice from the following answers
A) 0 B) 1 C) 2 D) 3 E) 4

Rationale: "apparently it ' s d = x ^ 2 - x ^ 3 instead of d = x ^ 2 - d ^ 3 . in this case : the x - intercept is the value ( s ) of x for d = 0 . 0 = x ^ 2 - x ^ 3 ; 0 = x ^ 2 ( 1 - x ) ; x = 0 or x = 1 . answer : c ."
Answer: C