Consider the function f(x) and its derivatives:

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Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
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Consider the function f(x) and its derivatives:
1-x²
(x² + 1)²
2x(x²-3)
(x²+1)3
(a) [] Find the critical numbers of f(x) and show your work to justify.
(b)
Find the open interval(s) where f is decreasing and the open interval(s) where fis
increasing. Show your work to justify your answer.
Find the x-coordinate(s) of all local minima of f, and all local maxima of f. Show your work
(c)
to justify.
f'(x) =
(e)
and f"(x) =
(d)
Find the open intervals where f is concave up and the open intervals where fis concave
down. Show your work to justify.
Find the x-coordinates of all inflection point(s) of f, and show your work to justify.
Transcribed Image Text:Consider the function f(x) and its derivatives: 1-x² (x² + 1)² 2x(x²-3) (x²+1)3 (a) [] Find the critical numbers of f(x) and show your work to justify. (b) Find the open interval(s) where f is decreasing and the open interval(s) where fis increasing. Show your work to justify your answer. Find the x-coordinate(s) of all local minima of f, and all local maxima of f. Show your work (c) to justify. f'(x) = (e) and f"(x) = (d) Find the open intervals where f is concave up and the open intervals where fis concave down. Show your work to justify. Find the x-coordinates of all inflection point(s) of f, and show your work to justify.
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