Consider the radical equation \sqrt{n+4}\:=n-2. Which statement is true about the solutions n = 5 and n= 0 The solution n=5 is the extraneous solution.
Both n=5 and n=0 are true solutions.
The solution n=0 is the extraneous solution.
Neither are true solutions to the equation.

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the correct answers are 1, 2, 4, and 5! i just got it right!

graphs that are inverses of each other are graphs where their slopes are reciprocals of each other for example say you have an original equation of y=2x. the inverse of that graph would be y=-1/2(x). also when you see a graph where the original and the inverse is graphed the angle around intersection is 90 degrees.