You just finished helping a former teacher move and earned $45. As you walk in the front door at home, your dad reminds you about the $45 that you borrowed from him earlier in the week to buy a couple of new DVDs. You sigh and hand over the cash. Represent this situation using math symbols and explain how it "makes zero."

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:

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]

27 +27 or 27times 2=54

the diffrence is 0