Is y^4=2x^2+7 a function?

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.

Use circumcenter theorem to solve for the given values

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14