Answer:
c
Step-by-step explanation:
only 2 students were asked the question, 2 students don't represent the whole population
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
Answer:
63.6
Step-by-step explanation:

Answer:
19
Step-by-step explanation:
Answer:
0.3656 :)
Step-by-step explanation: