I am working on a sample question for precalculus. The question is as follows:   Solve the equation graphically in the given interv. State each answer rounded to two decimals.  2 + the square root of (x) = the square root of (4 + x^2) ; [-1,5]   I'm pretty lost on how to graph this, but I do understand that the given interval is [-1,5] and answers outside of that are incorrect.  Please help me understand this better. Thank you.

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