What is the slope of the line through the points (-2, -1) and (4, 3)?

Use the graph of the sine function y=2sinθ shown below

The graph shown is the graph of which function?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?