lilijajegorova680 lilijajegorova680

03-02-2021
Mathematics

contestada

Write down in terms of n, an expression for the nth term
of the following sequences:
ET
a) 2 5 8 11 14
b) 9 11 13 15 17

Respuesta :

cwrw238 cwrw238

03-02-2021

Answer:

In bold below.

Step-by-step explanation:

a) Arithmetic sequence with common difference 3 and first term = 2:

nth term = 2 + 3(n - 1)

= 3n -1.

b) Similar to above with common difference 2 and first term = 9.

nth term = 9 + 2(n - 1)

= 2n + 7.

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