When approaching a roundabout or traffic circle, what should you do?

• Speed up to quickly enter the roundabout or traffic circle.
• Look to the right for traffic and enter when the lane is clear.
• Slow down to enter the roundabout or traffic circle and look to the left for traffic.
  Explanation:

  "When approaching a roundabout or traffic circle, slow down to enter the roundabout or traffic circle and look to the left for traffic and enter when the lane is clear."
• Enter without looking to maintain traffic flow.