I have 200 feet of fencing to construct a rectangular fence


MATH 16A QUIZ 4-

(1) Find the point (x, y) on the curve y = x2 for which 2x + y is minimized, and explain why it is an absolute minimum.

(2) I have 200 feet of fencing to construct a rectangular fence for my cows. I want both the length and width of my fence to be at least 2 feet. What is the smallest area I can enclose?

(3) Find the derivative of f(x) = 4√x(2x2 - 1)3.

(4) Find the derivative of f(x) = (x3-1/x3+1) at x = 0.

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Mathematics: I have 200 feet of fencing to construct a rectangular fence
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