At the beginning of a trip, mary had 3 gallons of gasoline in her car she use 50% of gas to drive for 1 hour she thgen added an amount of gas, x, to the tank

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:

answer: b.36 feet

step-by-step explanation: