Marika is training for a track race. she starts by sprinting 100 yards. she
gradually increases her distance, adding 4 yards a day for 21 days.
which explicit formula models this situation?
o a. an = 21 + (n - 1)4
o b. 2n = 100 + (n − 1)4
o c. an = 100 + (n − 1)21
o d. an = 4 + (n − 1)100

step-by-step explanation:

where is the questions

don't give

take it once

try and try and you will not

happy to

pls mark as brainliest

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: