+253 A rain gutter is formed by bending up the sides of a 56-inch-wide rectangular metal sheet
Find a function that models the cross-sectional area of the gutter in terms of x.
Find the value of x that maximizes the cross-sectional area of the gutter. (Round your answer to one decimal place.)
What is the maximum cross-sectional area for the gutter? (Round your answer to one decimal place.)
