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Home > PC > Chapter 7 > Lesson 7.2.3 > Problem 7-66


The sum of two positive numbers is . Find the maximum product that will result from the first number and the square of the second number. Find an expression that can be graphed to find the maximum value. Then use your graphing calculator to find the maximum product.

Let 1st number
Let 2nd number
Let product of the numbers

First quadrant graph, concave down curve coming through the origin, turning at the point (3, comma 108), decreasing to the point (9, comma 0), then increasing, dashed vertical line through the vertex which is labeled maximum.