If $\displaystyle \pi$ $\displaystyle \in$ (0,1), state the ranges of

(a) log($\displaystyle \pi$)

(b) log($\displaystyle \pi$/(1−$\displaystyle \pi$))

(c) exp($\displaystyle \pi$)/(1+exp($\displaystyle \pi$))

Anyone know how to find these?

Thanks