For more help/examples on IVT use:
https://www.youtube.com/watch?v=9xgO-EJ3sr0
https://www.youtube.com/watch?v=6AFT1wnId9U
https://www.youtube.com/watch?v=Rpug_8nTqyw
HW: Complete 1.4 webassign or book & do #3  on WS 1.1 - 1.4 (we did 1 & 2 in class last week). Quiz 1.4 is tomorrow and chapter 1 test will be on Monday, 9/12.