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you take f(g(x)) and g(f(x)) of the two functions and the answers should be the same, if the answers are different they are not inverses.

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Q: How do you find the inverse of a function?
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How do you use inverse log on graphing calculator?

The inverse of a logarithmic function is an exponential function. So to find the "inverse" of the log function, you use the universal power key, unless you're finding the inverse of a natural log, then you use the e^x key.


What is the inverse of y equals x?

The inverse of the function y = x is denoted as y = x. The inverse function essentially swaps the roles of x and y, so the inverse of y = x is x = y. In other words, the inverse function of y = x is the function x = y.


What is the relationships between inverse functions?

The inverse of the inverse is the original function, so that the product of the two functions is equivalent to the identity function on the appropriate domain. The domain of a function is the range of the inverse function. The range of a function is the domain of the inverse function.


Is the inverse of an exponential function the quadratic function?

No. The inverse of an exponential function is a logarithmic function.


If an inverse function undoes the work of the original function the original function's becomes the inverse function's domain?

The original function's RANGE becomes the inverse function's domain.


What is the inverse function of -6?

-6 is a number, not a function and so there is not an inverse function.


What is the inverse of a cubic function?

The inverse of the cubic function is the cube root function.


How do you find inverse of cos in c language?

Check out the acos function.


Why is x squared a inverse function?

X squared is not an inverse function; it is a quadratic function.


What is the inverse function of add 6?

The inverse function means the opposite calculation. The inverse function of "add 6" would be "subtract 6".


If an inverse function undoes the work of the original function what does the original function's becomes the inverse function's domain?

Range


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.