Please explain the answer and how you got it because i am very confused.

Ill mark the brainliest if you me with the these three questions 7,8,9

Put the equation in slope intercept form by solving for y

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?