Which of the given options provides the increasing order of asymptotic…

Which of the given options provides the increasing order of asymptotic complexity of functions f₁, f₂, f₃ and f₄?

$f_1(n)=2^n$

$f_2(n)=n^{3/2}$

$f_3(n)=n\log_2 n$

$f_4(n)=n^{\log_2 n}$