A rain gutter is formed by bending up the sides of a 52-in.-wide rectangular metal sheet as shown in the figure. width (a) Find a function that models the cross-sectional area of the gutter in terms of x. A(x) = %3D (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? in?

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.