Answer:
you could have a 6 and then a -6
or a 3 and a -3
or 0 and 0
have 2 cards with the same number but one is negative
Step-by-step explanation:
Answer is C. T=13. Hope this helps.
Answer:
D
Step-by-step explanation:
Z is the only relation that does not pass the vertical line test, so Z is not a function.
Answer: D
