Unit
Inverse, Exponential and Logarithmic Functions
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
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MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
We know that in order to find the inverse of a function algebraically, we need to swap x and y and then solve for y. In doing this, the domain and range get swapped, as well. We can see this graphically as a function and its inverse are reflected across the line y = x. When working with radical functions in particular, we need to make sure that whatever is under the radical, called the radicand, is always greater than or equal to zero. This will help us verify that the domain and range have been swapped.
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