How do I graph a rational function with a y intercept. Example 3x^2-1/2x+4 + 1

Basically see where it intersectst the y axis

that is where x=0

so set x=0 and solve

3 (0) ^2-1/2 (0) + 4+1

4+1

5

the y intercept is at y=5, so yo uknow that (0,5) is on the graph