Question: A student is given a graph and asked to determine whether the relationship shown is a function. The graph includes a vertical line crossing the curve at two points. which reasoning is correct?
A) It is a function because there is one output for each input
B) It is not a function because it fails the vertical line test
C) It is not a function because x repeats
D) It is a function because y is never repeated
Correct answer: B
Grade: 8 | Topic: Functions | Difficulty: Hard | Standard: 8.F.B.5