A rain gutter is formed by bending up the sides of a 38-inch-wide rectangular metal sheet as shown in the fi width (a) Find a function A that models the cross-sectional area of the gutter in terms of x. A(x) = (b) Find the value of x that maximizes the cross-sectional area of the gutter. X = in (c) What is the maximum. cross-sectional area for the gutter? in²

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A: I am attaching image so that you understand each and every step.