Use linear approximation to x + 4xy + y at the point (5, 5, 150), and...

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Use linear approximation to x² + 4xy + y² at the point (5, 5, 150), and use it to approximate f(5.15, 5.26) = Use linear approximation (you should show how to do this by adding work on this item) to estimate the function value for f(5.12, 2.07) where f(x, y) = ln(x - 2y) (hint: consider the point (5, 2, 0) and note that the actual value--to fourteen decimal places--is -0.020202707317519). Use linear approximation to x² + 4xy + y² at the point (5, 5, 150), and use it to approximate f(5.15, 5.26) = Use linear approximation (you should show how to do this by adding work on this item) to estimate the function value for f(5.12, 2.07) where f(x, y) = ln(x - 2y) (hint: consider the point (5, 2, 0) and note that the actual value--to fourteen decimal places--is -0.020202707317519).