Tomas works as an underwater photographer. He starts at a position that is 17 feet below sea level. He rises 6 feet, then descends 14 feet to take a photo of the coral reef. Enter and expression to find his position relative to sea level when he took the photo and evaluate the expression.

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:

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

fd

step-by-step explanation:

it's undefined because anything multiplied by 0 is 0. that said, 7 days is 168 hours