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Exponents and Polynomials

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Solve each problem.

78. Swimming space. The length of a rectangular swimming
pool is 2x -1 meters, and the width is x +2 meters. Write
a polynomial A(x) that represents the area. Find A(5).

86. Selling shirts. If a vendor charges p dollars each for
rugby shirts, then he expects to sell 2000 - 100p shirts at
a tournament.

a) Find a polynomial R(p) that represents the total revenue
when the shirts are p dollars each.
b) Find R(5), R(10), and R(20).
c) Use the bar graph to determine the price that will give
the maximum total revenue.

98. Area of a parallelogram. Find a trinomial A(x) that represents
the area of a parallelogram whose base is 3x +2
meters and whose height is 2x + 3 meters. Find A(3).

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This solution is comprised of a detailed explanation to answer Exponents and Polynomials.

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Problem #78
We know that the area of a rectangle is the multiplication of its length and width, then we have . When , we have square ...

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