write all functions from A to A which has range = (-1 1)
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Write down y=f(x) and then solve the equation for x, giving something of the form x=g(y).
Find the domain of g(y), and this will be the range of f(x).
If you can't seem to solve for x, then try graphing the function to find the range.
this is the step you can find the answer
please mark as brainlist
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