With capital K and labor L input, there are five production functions in the following:Q = L+K II.Q = L*K III.Q = L*K IV.Q = L*K V.Q = L+K a.

With capital K and labor L input, there are five production functions in the following:

I.              Q = L+K

II.            Q =

III.          Q = L*K

IV.         Q =

V.           Q =

 a. Which function(s) exhibit the constant returns to scale?

b. Which function(s) exhibit the increasing returns to scale?

c. Which function(s) exhibit the decreasing returns to scale?