Identify the slope, m. This can be done by calculating the slope between two known points of the line using the slope formula.
Find the y-intercept. This can be done by substituting the slope and the coordinates of a point (x, y) on the line in the slope-intercept formula and then solve for b.
It is convenient to let a graphing calculator or spreadsheet create the table. (see attached) We find that f(7) > h(7), while f(6) < h(6). The appropriate choice seems to be ...