The value of y varies with x according to the equation y = a(x - 2)(x + 1), where a < 0. As the value of x increases from 0 to 5, which of the following best describes the behavior of y?
A. It increases and then decreases.
B. It decreases and then increases.
C. It increases only.
D. It decreases only.
Answer:A
The value of y varies with x according to the equation y = a(x - 2)(x + 1), where a < 0. As the value of x increases from 0 to 5, which of the following best describes the behavior of y?
A. It increases and then decreases. B. It decreases and then increases. C. It increases only. D. It decreases only.
Explanation: A