A, B, D are functions.
(First, second, and fourth response)
You can see which is function since for everyone input only has one value. You can also use the vertical line test.
Answer:
B Survey a random sample of eighth-grade students
Step-by-step explanation:
In order to reach the best conclusion without biased data, the best sampling method would be B because not only does it survey 8th graders, but it also surveys a random group, ensuring that not all of the students are potentially excelling in and/or having trouble with homework.
24*7 = 168
(2*12)*7=168
168*2=336
336 Total sweets
3%?? The question doesn't make much sense.
It is 3/4.
Hoped this helped.
~Bob Ross
