6s—12 what is the answer

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Write a story that matches with the expression 42x-5 pls hurry

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.