In order to understand graphing inverse functions, students should review the definition of inverse functions, how to find the inverse algebraically and how to prove inverse functions. The graphs of inverse functions and invertible functions have unique characteristics that involve domain and range. Techniques for graphing inverse functions can make it easier to graph certain functions by hand.
Sample Problems (2)
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A nut farmer mixes some peanuts that sell for $2.50/lb with almonds that sell for $5/lb to make a 12-pound mixture worth $3/lb.