What is c(n)=-7+6(n-1) to the fourth term

Answer 1

Plug in n = 1 to find the first term of the sequence defined by c(n)=-7+6(n-1), plug in n= 2 the find the second term etc.

So the sequence is (-7, -1, 5, 11, . . .)

Answer 2

c(4) = -7 + 6(4 - 1)