The 4,000 students at Tech High were surveyed about their use of text messaging. How many students said they text 50-100 times a day?

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

definitely a. the others have almost all data points on one side of the line.

step-by-step explanation: