Okay So the Y intercept is 4 because the line passes through the y-axis and makes contact at 4. The Slope is 1/2 because You go down 1 and over 2 to get to the next point the connects to the next corner so the Slope Intercept Equation is Y=1/2x + 4
The order that the pitcher threw is F, C, F, F, C, C, F, F, F then the next five pitches are C, C, C, C, F, F, F, F, F assuming the pitcher maintains this order