7.5x10 to the power of 4

What does the sign of the slope tell you about a line?

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?

Need showing work for this problem 56.25 ×25.80