Name: ____________________________ Period: ____
Sheet #107: All you need to know before taking Calculus? GNAV.
1.	Find .  If this means nothing to you, go on to Question 2.

2.	Find the area of the enclosed region.
3.	Find .

4.	Find when x = 0.

5.	Find when x = 0.

6.	Verbal questions:
a.	Consider the answer to Question 2.  How can you find such areas without breaking up the region into triangles and rectangles?

b.	Consider the answer to Question 1.  What is the formula for arithmetic sums like in Question 1?  How is it related to the formula for the area of right-angle trapezoids like in Question 2?

c.	How do you reconcile your answers to Questions 1 and 2?

d.	Consider your answer in Question 5.  How do you reconcile the answer to that question and with the answer to Question 3?

e.	Graph y = .  [ZOOM] 4:Decimal.  Use [2nd] [ZOOM/FORMAT] AxesOff.  Then [GRAPH]. How can students get a parabola by mistake? Investigate the graph and table.  Use [TRACE].  Use [2nd] [GRAPH/TABLE]. When x = 0, what do you see on the graph, in the trace and in the table?  Why?

When done, [2nd] [+/MEM] 722 Reset Defaults.