MATH 205 Final: MATH 205 KSU Final Exam f11

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4 x, f (x) = c f (x) = ex(ln x + x) + x4, f (x) = (d) f (x) = ex2+3, f (x) : the strength of a drug in the bloodstream is given function f (t) = te t. The time range is from t = 0 to t = 10 hours. How about fs? (b) estimate fw(160, 10) and fs(160, 10). 10. find the values of x and y which maximize f (xy) = 400 3x2 4x+2xy 5y2+48y. 11 find the following partial derivatives for f (x, y) = 10x2ey + x y. (a) fx = (b) fy = (c) fxy = (d) fyy = 13 solve the system of equations by both methods: elimination and substitution. 3x + 4y = 5 (a) by elimination. (b) by substitution. 3x + by = 2 (a) give an example of values of a, b such that the above system of equations has no solution.

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