Solve the proportion. 6/8=y/12

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

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.