Answer:
C. 
General Formulas and Concepts:
<u>Calculus</u>
- Mean Value Theorem (MVT) - If f is continuous on interval [a, b], then there is a c∈[a, b] such that

- MVT is also Average Value
Step-by-step explanation:
<u>Step 1: Define</u>

f'(c) = 20
Interval [1, b]
<u>Step 2: Check/Identify</u>
Function [1, b] is continuous.
Derivative [1, b] is continuous.
∴ There exists a c∈[1, b] such that 
<u>Step 3: Mean Value Theorem</u>
- Substitute:

- Rewrite:

And we have our final answer!
Answer:
Your photo is not perfect
The whole circle (in terms of area) is 360 degrees.
Area of Sector = (angle / 360) * Area of the entire circle
Area of Sector = (45 / 360) * 80 in^2
Area of sector = (1/8) * 80 in^2
Area of sector = 10 in^2
A literal equation<span> is, simply put, an equation that has a lot of letters or variables.
example :
A = bh
Lets solve it for b.
A = bh
A/h = bh / h
A/h = b
Now lets say we have equation in one variable like 10 = 5x
we can find x simply by, x = 10 / 5 = 2
The way of solving it similar. The difference is literal equation have more variables, you solve for certain variable in terms of another variables while in one variable you get the direct number.
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Hope this helps you out.... 85x + 26y <span>
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