Question: Determine whether  the relation defined by the equation y=sqrt(x-2) is a function
A) yes, because every x-value has only one y-value
B) No, because the squareroot gives two values
C) No, because x cannot be negative
D) Yes, because y can be any real number
Correct answer: A
Grade: 8 | Topic: Functions | Difficulty: Medium | Standard: 8.F.A.3