I don't understand... Please help

Which of the following three dimensional figures has a circle as it’s base

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.