Adam left his house at time zero and drove for 4 minutes to the store, at a speed of 1 blocks per minute. Then he stopped and went into the store for 2 minutes. From
there, he drove in the same direction at a speed of 5 blocks per minute until he got to
the bank, which is 10 blocks away from the store. He stopped at the bank for 7
minutes. Then he drove home at a speed of 2 blocks every minute. Make a graph of
showing the number of blocks away from home that Adam is x minutes after he
leaves his house, until he gets back home.