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Mathematics 18 Online
OpenStudy (australopithecus):

Use the linear approximation of f(x, y) = 2x2y2 + 3xy + x at (1, 1) to approximate f(0.9,1.1). I got: 5.9000 as the answer 8(x-1) + 7(y-1) + 6 = L(x) 4xy^(2) + 3y + 1 = f_x(x,y) 4yx^(2) + 3x = f_y(x,y) does this answer seem correct?

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