wanna get my answer checked please!
Find an equation of the tangent line at x = 0 for the given function.
y = 3e^x[sin(x)]
i had 1 as my final answer.
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OpenStudy (anonymous):
is the [sinx] a part of e power?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
its just 3e to the power of x times sinx
OpenStudy (anonymous):
if i got the question correctly... the answer is 0.
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OpenStudy (anonymous):
why
OpenStudy (anonymous):
\[3e ^{x}sinx\]
OpenStudy (anonymous):
yes... you want tan(0) by given function, right?
OpenStudy (anonymous):
no .. i just want the tangent line, so i get the derivative of the function
then i sub in 0 for x.
OpenStudy (anonymous):
so i used the product rule and got 3e^x (cosx+sinx)
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OpenStudy (anonymous):
so when i subbed in zero i got 1.
OpenStudy (anonymous):
ahhh... yes i think u did well... i didn't got the question... sorry took ur time...
zepdrix (zepdrix):
Sooo bem, that gives you the SLOPE of the tangent line at x=0, now we need to create an equation for the line passing through that point, with the given slope.
zepdrix (zepdrix):
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Hmmm I think you are suppose to get an answer of 3.
Check my work a sec, maybe you can tell me what you did differently.