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Use the given graph of f(x) to answer questions #7-10. 7. Find the exact values of the following: f'(-3) = f'(0) = f' (2) = 8. Sketch a tangent line at x = 4. Use it to estimate the value of f'(4). Show work. 9. Identify the x-values where f(x) is not differentiable. Give a reason for each. 10. Sketch a graph of f'(x). (There are two grids, just in case.) Ty 1-3- 1- 2- -3