Let f(x)=e², g(x)=e^-x, h(x)=2^x, j(x)=ln x, and k(x)=log₁₀x. Find:

(a) d/dx[f(x)-g(x)+h(x)-j(x)+k(x)]

(b) f"(0)+g"(0)-h"(1)-j"(1)+k"(1)

Let f(x)=sin^-1 x, g(x)=cot^-1 x, h(x)= cosh^-1 x, and k(x)=tanh^-1 x. Find:

(a) 2h(0)+k(0)

(b) d/dx[f(x)-g(x)+h(x)+k(x)]