chapter three: section six a summary of curve sketching
TRANSCRIPT
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Chapter Three: Section Six
A summary of Curve Sketching
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Chapter Three: Section Six A very simple slide ‘lecture’ here for this section.
We have spent a few days now trying to tie together a couple of years of past knowledge with our new (still developing) understanding of the derivative of a function.
The first and second derivatives can give us powerful clues about the physical behavior of a function.
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Chapter Three: Section Six When we add this new knowledge to our ideas about
how to find intercepts, how to find asymptotes (horizontal, vertical, and oblique), and what we know about the end behavior of functions, we can make very accurate sketches of complex functions.
I want you to take some time to try the problem on the next slide and come to class prepared to discuss what went right and what went wrong in your attempt. Check your work with your calculator after you have made an honest attempt on your own.
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Chapter Three: Section Six For the function to the right answer the
following questionsa) Identify any symmetries for this function (Is it an
even function? Is it an odd function?)b) Identify the y-intercept(s)c) Identify the x-intercept(s)d) Identify the domain of the functione) Rewrite the function using long division or synthetic
divisionf) Identify, with a sign chart, where the function is
increasing and where it is decreasingg) Identify, with a sign chart, where the function is
concave up and where it is concave downh) Identify any Max, min, or inflection pointsi) Identify the range of the functionj) Identify any vertical or horizontal asymptotesk) Identify any oblique (slant) asymptotel) Use the information above to draw a rough sketch of
the function.
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