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OpenStudy (anonymous):
How do I solve for x: square root of (x^2-16) = 7 What is the domain and range of f(x) = 2/(5-2x)
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OpenStudy (nubeer):
add 16 on both sides take square root.
OpenStudy (anonymous):
But it's already in square root. I have to get rid of that first. How do I do that?
OpenStudy (nubeer):
where is the square root .. :/ u need to draw the question..
OpenStudy (anonymous):
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