Hello there, this lesson consists of activity to activity two contains a number of exercises based on lesson seven. So please be sure to study lesson seven before you try these exercises. The exercises are designed for mastery learning, and may be downloaded for easy studying. Now here's a reminder to be able to answer the questions in activity two, you should be able to identify a function and know the definition of a function. Now your next step is to work through the questions carefully and then go to lesson nine for the detailed solutions. So bad wishes and I'll see you for lesson nine