9) let f(x) = (x +2)² - 12. a) Sketch a "good enough graph" of f. b) Determine the number of solutions to the equation f(x) = -3 using the graph in in a). c) Work backward (applying inverse functions) to the equation f(x) = -3 for x.

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A: If you have any questions let me know in comment box thankyou for your question.