What is x (using pythagorean theorem)? and how to do it

What are the soultion(s) to the quadratic equation 40- x^2=0

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.

Match each function with its rate of growth or decay