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Posted by on Saturday, October 29, 2011 at 4:01pm.

a rectangular picture 8 inches by 12 inches has a frame of uniform width x inches. Write a function expressing the total area A of the picture and the frame as a function of x.

  • 10th grade math - , Saturday, October 29, 2011 at 4:28pm

    A = (2x+12)(2x+8)
    multiply that out using FOIL or distributive property

  • 10th grade math - , Thursday, November 10, 2011 at 6:00am

    (a+b)(a+c) form

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