Question

What is 3n + 1 when n =4

Answer 1

`{ \tt{f(n) = 3n + 1}}`

» When n is 4, f(n) is f(4);

`{ \tt{f(4) = 3(4) + 1}} \\ { \tt{f(4) = 12 + 1}} \\ { \underline{ \tt{ \: f(4) = 13 \: }}}`

Answer 2

13

Explanation:

3n+1

Let n= 4

3(4)+1

12+1

13