Question

Question in photo! (Please help with other questions!)

Answer 1

c)
`a_(n)` = 3.5n + 7.5

Step-by-step explanation: =>

Given :-

a = 11

d = 3.5

To Find :

`a_(n)`

Solving :-

= a + (n - 1)d

= 11 + 3.5n - 3.5

= 3.5n + 7.5

Solution :-

c)
`a_(n)` = 3.5n + 7.5