Preform the operation and prove closure. x/x+3 + x+2/x+5 please explain

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Find the quotient with the restriction.