Which of the following represents the set of all antiderivatives of $h\left(x\right)=-3$?

Find the family of antiderivatives, $F\left(x\right)$, of the function $f\left(x\right)=\frac{5}{x}$, where $x>0$.

Evaluate the integral: $\int \frac{3x^2}{6x^3-4}dx$

Evaluate the integral: $\int \frac{e^{4x}}{9+e^{4x}}dx$

Find an antiderivative of $\frac{8}{5}{\csc }^2\left(\frac{5}{8}x\right)$.