I need help pls this is to hard for me

Which table represents points on the graph of h(x) = 3√-x+2?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Find the maximum value of p= 4x + 5y subject to the following constraints :