Question: help me pls:( thank you, show all work :) 4. f(x) = -7x2 a) Find the derivative using the definition of a derivative. b) What

help me pls:( thank you, show all work :)

4. f(x) = -7x2 a) Find the derivative using the definition of a derivative. b) What is the slope of f(x) at x = -10? c) What is the slope of f(x) at x = 3? d) What is the equation for the tangent line at x = 3? Ixl average rate o..pdf Ixl average rate o._.pdf
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