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OpenStudy (anonymous):
determine where f(x) = e^x * cos(x) is increasing and decreasing on the intervals (0
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OpenStudy (anonymous):
give me 2 mins
OpenStudy (anonymous):
ok, i think i got it. I will tell u if i'm stuck
OpenStudy (anonymous):
i got x = π/4 and x=5π/4 as critical numbers
OpenStudy (anonymous):
now im stuck
OpenStudy (anonymous):
My circled values are just ones i picked. you can pick anything in between the markers.
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OpenStudy (anonymous):
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