Dimeter is 28inch and area is equal to 26.7inch^2
By evaluating the quadratic function, we will see that the differential quotient is:

<h3>
How to get (f(2 + h) - f(2))/h?</h3>
Here we have the quadratic function:

Evaluating the quadratic equation we get:

So we need to replace the x-variable by "2 + h" and "2" respectively.
Replacing the function in the differential quotient:

If we simplify that last fraction, we get:

The third option is the correct one, the differential quotient is equal to 8 + 4.
If you want to learn more about quadratic functions:
brainly.com/question/1214333
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Step-by-step explanation:
a) 6400
b) 4800
c) 32000
hope this answer helps you dear!