Question 36
DifferentiationFind the derivative of the function y = 2x2(2x − 1) at the point x = −1.
- A.−6
- B.−4
- C.16
- D.18
Show the answer and explanation
Answer: C (16)
Explanation
y = 4x3 − 2x2, so dy/dx = 12x2 − 4x = 12 + 4 = 16 at x = −1.
Find the derivative of the function y = 2x2(2x − 1) at the point x = −1.
Answer: C (16)
y = 4x3 − 2x2, so dy/dx = 12x2 − 4x = 12 + 4 = 16 at x = −1.