Problem 52 of 7
Interpret the hole or removable discontinuity in rational model h(x)=(x^2-1)/(x+1).
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
explain excluded input and simplified behavior.
Hidden until you reveal it.
Explain excluded input and simplified behavior for canceled factors.
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Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Factor numerator and denominator.
2. Identify common factors that cancel.
3. Record the excluded input as a hole and interpret what exclusion means in context.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Treating a canceled factor as if the original function were defined there.