Precalculus 2014
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The integral is .
Find the area between the graph of each function and the -axis.
Area of the function is .
Where and .
Where is the number of subintervals.
Substitute in .
.
Substitute and in .
.
Area of the function is .
Substitute and .
Apply summation formula: .
The cost of the production is .
Graph the region:
.
The cost of the production is .
The cost of the production is .
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