Problem 52 of 7
Find the input value(s) for which p(x)=x^2+4 has output 1.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
solve f(x)=c or read inverse question from representation.
Hidden until you reveal it.
Equation f(x)=c must have one, two, or no real solutions.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Set the function rule equal to the output value.
2. Solve for the input variable.
3. Check all possible branches for quadratic or absolute-value rules.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Output value repeated as input.