PreCalc

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Find the maximum product of two numbers whose sum euqals 124. Let's call the numbers "x" and "y". Also, what are those two numbers?

  • PreCalc -

    x+y=124 or x=124-y dx=dy

    A= xy = (124-y)y

    dA/dy=0=124-2y

    y=62 then solve for x

  • PreCalc -

    whew, great! that's what I got, too :-)
    Thank You! I have one more, if you're up for it

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