Answer
[-20,2,1] means in the window, x-axis is from -20 to 2 with intervals of 1.
Similarly, [-4,5,0.5] means in the window, y-axis is from -4 to 5 with intervals of 0.5.
Work Step by Step
[-20,2,1] means in the window, x-axis is from -20 to 2 with intervals of 1.
Similarly, [-4,5,0.5] means in the window, y-axis is from -4 to 5 with intervals of 0.5.