ALDAGAIAK. DESLIZADOREAK

a = 0.7 (slider from -5 to 5, step 0.1)
b = -3.2 (slider from -5 to 5, step 0.1)
c = 1.1 (slider from -5 to 5, step 0.1)
f(x) = a * x^(2.0) + b * x + c