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Earn +20 ptsQ: Is the inverse of the function y equals x2 still a function?
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Is the inverse of the function y x2 still a function?
Y = 1/X2 ==============Can it pass the line test? * * * * * That is not the inverse, but the reciprocal. Not the same thing! The inverse is y = sqrt(x). Onless the range is resticted, the mapping is one-to-many and so not a function.
Does every function have an inverse that is a function?
No. A simple example of this is y = x2; the inverse is x = y2, which is not a function.
What is the inverse of y x2?
Y = X2 Inverse. Y = 1/X2 ======
Is x2-y2 plus 49 equals 0 a function?
Yes
Is y equals x2 a function?
Y=X^2 is a function for it forms a parabola on a graph.
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