Question

Which viewing window boundaries would allow you to see all the intercepts and the maximum, as closely as possible, for the function y = –x2 + 3x + 20?

Answer 1

A

B

C

C

Explanation:

Answer 2

The minimum window boundary for the x-axis should be

✔ –4

The maximum window boundary for the x-axis should be

✔ 7

The minimum window boundary for the y-axis should be

✔ –1

The maximum window boundary for the y-axis should be

✔ 23

Explanation:

edge 2021