(-7, 7)

(3, 6)

a = 1 (slider from -5 to 5)
c = 1 (slider from -5 to 5)
d: y = (a * x^(2)) + (2 * x) + c
k = 1 (slider from -5 to 5)
v = 1 (slider from -5 to 5)
f: y = (k * x) + v
A = (-7, 7)
B = (3, 6)