Question

If
,
then f(2) =

1/3
1
7

Answer 1

• f(x)=3x+1

`\\ \sf\longmapsto f(2)`

`\\ \sf\longmapsto 3(2)+1`

`\\ \sf\longmapsto 6+1`

`\\ \sf\longmapsto 7`

Answer 2

7

Explanation:

f(x) = 3x+1

f(2) means let x=2

f(2) = 3(2)+1

= 6+1

=7