b = 3 (slider from 1 to 10, step 0.1)
c = 0.4 (slider from -5 to 5, step 0.1)
a = -0.8 (slider from -5 to 5, step 0.1)
d = 0.9 (slider from -5 to 5, step 0.1)
e = -0.1 (slider from -5 to 5, step 0.1)
g(x) = a * log(b, c * x + d) + e