14c on practice test
i don't understand 14c on the practice test. i got an expression for the surface area but dont know what to set it equal to or how to solve it. maybe i did something wrong. i got Surface area =4(200000/x)+ x^2 what do i do next?
posted by Anonymous at 8:40 PM
2 Comments:
I graphed that equation and found the minimun on the graph. It should work.
i graphed this equation but i cannot find the minnimum, is it just when y=0 or what?
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