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7. For f(x) = (x-7.x 5 ax +3,x>5 find the value of a to make the function continuous atx-5. 8. Use the piecewise function

7. For f(x) = (x-7.x 5 ax +3,x>5 find the value of a to make the function continuous atx-5. 8. Use the piecewise function and the accompanying graph to answer the questions below. x-1, 2x, -1x0 0

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