Isabella left her house at time zero and drove for 4 minutes to the store, at a speed of 4 blocks per minute. Then she stopped and went into the store for 3 minutes. From there, she drove in the same direction at a speed of 2 blocks per minute until she got to the bank, which is 8 blocks away from the store. She stopped at the bank for 7 minutes. Then she drove home at a speed of 6 blocks every minute. Make a graph of showing the number of blocks away from home that Isabella is x
x minutes after she leaves her house, until she gets back home.