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OpenStudy (anonymous):
Is the equation f(x)=x^2-5 a function?
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OpenStudy (anonymous):
yes its even continuos with no range or domain restrictions
OpenStudy (cwrw238):
yes in particular its a many-to-one function eg x = +1 and x = -1 map to f(x) = 1-5 = -4
OpenStudy (anonymous):
yup
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