The expression 15n + 12n + 100 represents the total cost in dollars for skis, boots, and a lesson for n skiers. simplify the expression 15n +12n + 100. then find the total cost for 8 skiers.

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: