Question: help please 3. Let f(x) = 4x - 2x2 a) Use the limit definition to find f'(.) b) What is the slope of the tangent

help please

3. Let f(x) = 4x - 2x2 a) Use the limit definition to find f'(.) b) What is the slope of the tangent line to f() at r = -1? c) Find the equation of the tangent line in slope intercept form to f(x) at a = -1

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