Question

1)Consider the curve y = x + 1/x − 1 . (a) Find y' . (b)...

1)Consider the curve y = x + 1/x − 1 .

(a) Find y' .

(b) Use your answer to part (a) to find the points on the curve y = x + 1/x − 1 where the tangent line is parallel to the line y = − 1/2 x + 5

2) (a) Consider lim h→0 tan^2 (π/3 + h) − 3/h This limit represents the derivative, f'(a), of some function f at some number a. State such an f and a.

(b) Use the f and a you found in part (a) to evaluate lim h→0 tan2 (π/3 + h) − 3/h

please help

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