A = (0, 2)
B = (10, 3)
a_1 = 3.1 (slider from 3 to 5)
m = 2 (slider from -5 to 5)
n = 0 (slider from -5 to 5)
x_v = 1 (slider from -5 to 5)
f(x) = (m * x) + n
y_v = 1 (slider from -5 to 5)
g(x) = (m * (x - x_v)) + n
h(x) = (m * x) + n + y_v