Question

the pattern below follows the rule "starting with a value of 3, every consecutive row has a value that is 2 less than twice the value of the previous row" what is the fifth value? a. 18 b. 12 c. 34 d. 66

Answer 1

Answer:18

Explanation:

Answer 2

Answer: a. 18

Explanation:

Given phrase : "starting with a value of 3, every consecutive row has a value that is 2 less than twice the value of the previous row"

The recursive formula for the given phrase :-

`a_n=2a_(n-1)-2`

The first term :
`a_1=3`

The second term :
`a_2=2(3)-2=4`

The third term :
`a_3=2(4)-2=6`

The fourth term :
`a_4=2(6)-2=10`

The fifth term :
`a_5=2(10)-2=18`

Hence, the fifth value of the pattern = 18