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OpenStudy (anonymous):
Let f be the function defined by f(x)=3x^5 - 5x^3 +2 (a) On what intervals is f increasing? (b) On what intervals is the graph of f concave upward? (c) Write the equation of each horizontal tangent line to the graph of f.
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OpenStudy (goten77):
1st derivative test?
OpenStudy (anonymous):
do first derivative test?
OpenStudy (anonymous):
@Goten77 ok for first derivative i got 15x^4 - 15x^2
OpenStudy (goten77):
k thats right now factor it
OpenStudy (goten77):
|dw:1358134355078:dw|
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