Answer:
I believe the answer is C
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
Required
Determine number of items that gives maximum earnings;
The general form of a quadratic equation is:
And the maximum is calculated as:
If a<0
Comparing to
We have that:
Substitute these values to
<em>The number of item that maximizes the function is when y = 15</em>
Step-by-step explanation:
1+2
=3
=2×2×9
=4×9
=36
=2,2,9