f(x)=)\frac{\ln(\sqrt{x}-k)}{\ln(x-k^2)}

k = 1 (slider from -5 to 5, step 0.1)
h(x) = ln(sqrt(x) - k)
g(x) = ln(x - k^(2))
f(x) = h(x) / g(x)
f'(x) = f'(x)
A = (-1.4890909090909088, -2.8290909090909118)
B = (-0.5466333631522098, -2.8290909090909118)
C = (7.496538548779393, 2.2611602370977146)
D = (8.438996094718092, 2.2611602370977146)