Based on the graph, what was the average speed, in miles per minute, of the train during the interval of 30 to 40 minutes?

1,589.63 in.^3

step-by-step explanation:

i hope this you : d

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:

sorry man i accidentally pressed yes my bad

step-by-step explanation:

answer: list the statements and i will follow up!

step-by-step explanation: