two cell phone companies have different rate plans. runfast has monthly charges of $8 plus $8 per gig of data. B A &D’s mont
hly charge is $15 plus $4 per gig of data. your task is to determine under what circumstances each company has the better pricing you will derive and solve a set of equations, graph those equations, and evaluate the meanings of these events.
1 answer:
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Answer:
The farmer should plant 14 additional trees, for maximum yield.
Step-by-step explanation:
Given
So, we have:
Required
The additional trees to be planted for maximum yield
The function is:
Open bracket
Rewrite as:
Differentiate
Equate to 0 and solve for x to get the maximum of x
Divide by -4
The farmer should plant 14 additional trees, for maximum yield.