The mapping diagram shows a function. What could be a possible value for the missing number n? A. 7
B. 9
C. 8
D. 15

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:

b

step-by-step explanation:

just get this app called photo math it should be able to do those