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(1 point) Suppose that a point is moving along the path xy = 2 so that dy = 4. Find when x = 5. dt dx (1 point) Find the local linear approximation of the function /(x) = v1 + x at xo = 8, and use it to approximate v/8.9 and v9.1. (a) / (x) = VI+x ~ (b) V89 = For parts (b) and (c), you should enter your answer as a fraction. If you enter a decimal, make sure that it is correct to at least six decimal places. (1 point) Find the linear approximation at x = 0 to . Write your answer in the form y = Ax + B