Problem 135 of 7
Interpret the inverse function for A(r) gives area from radius.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
reverse input and output meanings.
Hidden until you reveal it.
Reverse input and output meanings in context.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify what the original input and output measure.
2. Swap those roles for the inverse.
3. State any one-to-one or domain condition needed for the inverse to be meaningful.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Saying inverse means reciprocal unless the context actually involves reciprocal quantities.