64. Making a Rain Gutter A rain gutter is formed by bending up the sides of a 30-in.-wide rectangular metal sheet as shown in the figure. (a) Find a function that models the cross-sectional area of the gutter in terms of x. (b) Find the value of x that maximizes the cross-sectional area of the gutter. (c) What is the maximum cross-sectional area for the gutter? 30 in.

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Q: Making a Rain Gutter A rain gutter is formed by bending up the sides of a30-in.-wide rectangular…

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