m1 = 3 (slider from -5 to 5, step 0.1)
b1 = -2.5 (slider from -5 to 5, step 0.1)
m2 = -0.5 (slider from -5 to 5, step 0.1)
b2 = 3 (slider from -5 to 5, step 0.1)
f(x) = (m1 * x) + b1
g(x) = (m2 * x) + b2
P(x) = (f(x) * g(x))
input = 5.6 (slider from -10 to 10, step 0.1)
A: (input, (f(input) * g(input)))