The average water level at low tide in a bay is 0 feet. Which measurement best represents a water level 2.5 feet below the average water level at low tide? 5 feet 2.5 feet -5 feet 2.5 feet​

its 8

step-by-step explanation:

go on the tube you might find some information there

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: