Question: 6) Given the function: f(x)=x-2x - 15 a) Find the value of the slope of the function for x = 0 and x =

6) Given the function: f(x)=x-2x - 15 a) Find the value of the slope of the function for x = 0 and x = 10. b) Find the value of x such that the first derivative f'(x) = 0. c) Using your answer from part b) show that this is a maximum or minimum. d) Without using graph paper, sketch the graph of the function

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