Determine whether the rate of change is constant or variable. If it is constant, state the rate of change. cost of sweaters
Number
2
4
7
9
Cost ($)
38
76
133
171
No

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:

$113.42

i hope that is right.

step-by-step explanation: