Whenever there is a y-intercept, x = 0
For f(x), where is the y-intercept? Look at the y-axis — where does it cross?
For g(x), substitute in x = 0, so g(0) = 3^0 + 2
For h(x), look at the table for when x = 0.
Then compare these y-intercepts with one another.
Which is the greatest?