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Johnny is designing a rectangular poster to contain 18in2 of printing with a 3 -in. margin at the top and bottom and a 6 -in. margin at each side. What overall dimensions will minimize the amount of paper used? The dimensions of the poster that minimize the amount of paper used are in. (Simplify your answers. Use a comma to separate answers.)
Find the absolute extrema if they exist, as well as all values of x where they occur, for the function f(x)=31​x3−21​x2−20x+2 on the domain [−5,6] Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The absolute maximum is which occurs at x= B. There is no absolute maximum.