Asap answer the first answer and correct answer gets the zoom in to see better math

So it would be 10 hours since he charges $7 an hour but pays $3 in equipment h his profit would be $4 so 4*10=40 close to  $39

Step-by-step explanation:

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:

there are no multiple choices