A runners racecourse has a total distance of 7.5 mi. Race officials want to mark the course every 400 yd with a flag, including one at the finish line. (The starting line does not need a flag) how many flags are needed?

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 answer is the third / last answer

step-by-step explanation: