Mathematics
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OpenStudy (anonymous):
Find f '(2)
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OpenStudy (anonymous):
OpenStudy (fibonaccichick666):
What is your first thought here Squirrel?
OpenStudy (anonymous):
i think the 4sin(x) would be turned into 4cos(x)
OpenStudy (anonymous):
im just having a little trouble with the second part of the function
OpenStudy (fibonaccichick666):
ok, \[f(x)=4sinx+2x^x\]
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OpenStudy (fibonaccichick666):
So yes, on the 4sinx
OpenStudy (fibonaccichick666):
ew wait, you need to go to the int tables for x^x form
OpenStudy (fibonaccichick666):
derivative table******
OpenStudy (anonymous):
can i find that online?
OpenStudy (fibonaccichick666):
yep
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OpenStudy (anonymous):
ok i got x^x(1+lnx)
OpenStudy (fibonaccichick666):
ok, (I'm going to assume you looked it up right)
OpenStudy (fibonaccichick666):
the constant stays, then just put it all together and you are done
OpenStudy (anonymous):
yea i did
OpenStudy (fibonaccichick666):
ok, then you got it
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OpenStudy (anonymous):
so i just put the 2 in there?
OpenStudy (fibonaccichick666):
yea constants just stay out front
OpenStudy (fibonaccichick666):
ie deriv of 3x=3(1)
OpenStudy (fibonaccichick666):
=3
OpenStudy (anonymous):
so how would i rewrite the second part with the 2?
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OpenStudy (fibonaccichick666):
try it first
OpenStudy (anonymous):
is it ln2x?
OpenStudy (anonymous):
or does it stay as lnx?
OpenStudy (fibonaccichick666):
well what was the derivative of the second part?
OpenStudy (fibonaccichick666):
because to begin, that isnt it
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OpenStudy (anonymous):
|dw:1416894849048:dw| thats basically what im stuck on right now