What is the difference of the rational expressions below? 6x - 1/ 2x^2 - 3/x

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Five friends found a dollar on the ground and decided they each should get 1/5 of it. what amount of money will each friend get? $0.05 $0.20 $0.30 $0.80