Plot the function y = (x + 1)(x – 3) by following these steps:
Step 1: Plot the x-intercepts of the function.
Step 2: Plot the point on the x-axis that is halfway between
the intercepts.
Step 3: Plot the vertex on the dashed line.
Step 4: Plot the y-intercept.

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?