shiv1patel2006 shiv1patel2006

09-05-2021
Mathematics

contestada

Here are the first five terms of a sequence.
3
8 17
30
47
Find an expression, in terms of n, for the nth term of this sequence.
Help

Here are the first five terms of a sequence 3 8 17 30 47 Find an expression in terms of n for the nth term of this sequence Help class=

Respuesta :

isamarie4 isamarie4

09-05-2021

Step-by-step explanation:

3 to 8= 5

8 to 17= 9

17 to 30= 13

30 to 47= 17

47 to 68= 21

68 to 93= 25

93 to 122= 29

122 to 155= 33

155 to 192= 37

difference is 4

solve by

[tex]2 {n}^{2} - n + 2 \\ 2 {(9)}^{2} - 9 + 2 \\ 2(81) - 9 + 2 \\ 162 - 9 + 2 \\ 153 + 2 = 155[/tex]

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