Question 40
DifferentiationFind the minimum value of y = x2 − 2x − 3
- A.−4
- B.4
- C.1
- D.−1
Show the answer and explanation
Answer: A (−4)
Explanation
dy/dx = 2x − 2 = 0 at x = 1. The minimum value is y = 1 − 2 − 3 = −4.
Find the minimum value of y = x2 − 2x − 3
Answer: A (−4)
dy/dx = 2x − 2 = 0 at x = 1. The minimum value is y = 1 − 2 − 3 = −4.