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Use a graph to solve . Refer to problem 10-114 if you need a hint to get started.   

Graph  on the same set of axes.

Where do the curves intersect?
If you were trying to solve the given equation, would you be solving for or ?

Use the graphs below on the eTool help you with this problem.
Click on the link at right for the full eTool version: CCA 10-130 HW eTool