Question

Determine whether the graph of y = −5x2 + 3x + 8 opens up or down and whether it has a maximum or minimum point.

A. Down; Minimum
B. Down; Maximum
C. Up; Minimum
D. Up; Maximum

Answer 1

Using logic or calculus?

Answer 2

something tells me that doesn't look like a calculus exercise

Answer 3

Yah, I did not think so.... but sometimes they intro the derivative tests on simple things like this.