Question

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

Answer 1

It would result in a constant line of
`y=3`.

Explanation:

`f(x)=2x+1`

`f(1)=2(1)+1`

`f(1)=2+1`

`f(1)=3`

`y=3`

See the graph for a visual.