b a? 3=24, so a? =4 and a > 0, so a=2 and b=3.
The function is f(x)=3×2? x
( 1/2)? x+( 1/3)? X-m≥0, which holds. ( 1/2)? x>0,( 1/3)? x>0
So -m≥0 and m≤0 is enough.