draw them both out on a graph and then draw the line y=x through the origin. If one function is a reflection of the other, it is the inverse
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Inverse of a function exists only if it is a Bijection. Bijection=Injection(one to one)+surjection (onto) function.
Some one please tell me what inverse property is!!
inverse operations
NO!!! As a matter of fact, unless the function is a one-to-one function, where each x in the domain has one and only one image in the range and no y in the range is the image of more than one x, then it won't ever be a function after being inversed. Just remember to switch the x's and y's with each other and then solve for y to get the inverse. If you don't believe me, then use then graph the function and then its inverse and do the vertical line test on both.
Inverse operations.