Not a function because of the vertical line test.
Domain is [-2,∞] since the left most point is -2 and the right is unbounded.
Range is (-∞,∞) since it is not bounded in terms of y.
Answer:
1) not a function
2) Function
3) Function
Step-by-step explanation:
Total sets of 4-digits = 6
Total 4-digit numbers formed by one set of number = 4
So, total numbers that can be formed = 6 × 4 = 24
E is the answer to this question
The issue I observe is that Ms.Beebe needs to slow tf down