When Teddy filled up the tank on his moped, it cost $5.03. How much gas did his moped need? Explain how you know.

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.

Can someone show me step by step how to do this?

Ineed the solution to this problem and the steps.