Problem 137 of 7
Correct the mistaken classification: It's a function because each output is unique. for (4,1), (4,2), (5,3).
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
locate the exact input causing failure or explain validity.
Hidden until you reveal it.
Claim must reflect repeated-output or vertical-line-test confusion.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the rule the claim misused.
2. Apply the correct function test: one output per input or vertical line test.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Merely reversing the yes/no without explanation.