Question

State the maximum or minimum value of the function:

Select one:
a. the maximum value is 5
b. the minimum value is -5
c. the maximum value is -5
d. the minimum value is 5

Answer 1

Any particular function, or should we just make one up? :-)

Answer 2

Well, look at the graph. Is there a minimum or maximum value? What is it?

Answer 3

This is a parabola, so you can find the vertex by evaluating -b/2a where the parabola is in the form \(ax^2+bx+c\) — that gives you the value of x, and then you evaluate the function at that point to get y. Or, just read the graph and compare with your answer choices :-)

Answer 4

if the parabola looks like a bowl of some sort, it has a minimum at the vertex. if it looks like a hill, it has a maximum at the vertex.

Answer 5

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