Question

C(n) = -7 + 6(n - 1)

Answer 1

6n-13

Explanation:

Since the question given is -7+6(n-1)

-7+6(n-1)

Open the bracket first

-7+6n-6

Collect like terms

-7-6+6n

-13+6n

Which can also be written as

6n-13

So C(n)=6n-13