T h e space v a r i a b l e space f space v a r i e s space j o i n t l y space a s space q squared space a n d space h comma space a n d space f equals 36 space w h e n space q equals 2 space a n d space h equals 3. F i n d space f space w h e n space q equals 4 space a n d space h equals 2. f equals 6 f equals 24 f equals 96 f equals 48