Kiran wrote the expression x -10 for this number puzzle: “Pick a number, add -2, and multiply by 5.” Lin thinks Kiran made a mistake.

How can she convince Kiran he made a mistake?
What would be a correct expression for this number puzzle?

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.