As I announced in class, will have our first midterm exam (Exam #1) on Wednesday October 9. See below for a list of topics and exercises to to review.
Included are exercises from the “Derivatives – Power Rule” Webwork. We will discuss some of those exercises in class on Monday, but work through as many of those exercises as you can on your own.
Topics
The main topics we have covered so far this semester and which will be covered on the exam are:
- the limit definition of the derivative
- finding the equation of a tangent line at a given point (using the derivative to find the slope), and sketching such a tangent line for a given graph/point
- the differentiation rules
For the limit definition of the derivative, you can review:
- Sec 3.1: Examples 3.1, 3.3, 3.6
- WebWork – “Derivatives – Limit Definition”: #3
- Sec 3.2: Examples 3.12
- “Derivatives – Functions”: #2 & #3 (see Class 8)
- Quizzes #1 & #2
You should also understand this figure (Fig 3.3 from Sec 3.1 — similar to the graph I had you sketch for HW#1, which I will return on Monday), and how it leads to the limit definition of the derivative:
Differentiation rules:
Finding the equation of a tangent line at a given point (using the derivative to find the slope, and then using the point-slope equation of a line), and sketching a tangent line for a given graph/point:
- Look in your class notes/Class Recaps for when we have sketched tangent lines for graphs; see also these two Desmos graphs where we plotted tangent lines (here and here)
- See again Examples 3.1 & 3.3 in Sec 3.1, and “Derivatives – Functions” #2
- “Derivatives – Power Rule”: #14-15
- Sec 3.3: Example 3.22
- Explanation and example at start of Class 5, using the function from Quiz #1 (see also this related Desmos graph)
- You should also understand what a horizontal tangent line looks like, and how you can solve for the points where a graph has a horizontal tangent line (i.e., by solving the equation f'(x) = 0)
- See “Derivatives – Power Rule”: #16 & Example 3.31 in Sec 3.3
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