What is the length of the hypotenuse?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

Julius went on a volunteer trip to centralamerica and took medical supplies with him.he packed a bag with 50 pounds of supplies.he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?

Why is 4.125 + the square root of 3 irrational