If f(x) = x^4 - 4x^3 - 2x^2 + 5x , then f(-1) = Choose the correct choice from the following answers: A) - 4 B) - 2 C) - 1 D) 1 E) 2

Rationale: f ( - 1 ) = ( - 1 ) ^ 4 - 4 ( - 1 ) ^ 3 - 2 ( - 1 ) ^ 2 + 5 ( - 1 ) = 1 + 4 - 2 - 5 = - 2 the answer is b .
Answer: B