Which of these is a geometric sequence?

a. 2, 3, 5, 9, 17,
b. 2, 4, 6, 8, 10,
c. 3, 15, 75, 375, 1875,
d. 1/3 , 2, 3, 4,

answer:     true

step-by-step explanation:

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: