What system of equations is shown in the graph below

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.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.