find the equation at the tangent line

Calculus
Tutor: None Selected Time limit: 1 Day

y=e^-9t at t=0

May 6th, 2015

Is the point (0,0)? Please chk if the question is complete

May 6th, 2015

the question doesn't specify if the point is (0,0)

May 6th, 2015

You need a point of line to determine the equation of the tangent. From the above information, you can find only the slope of the line

May 6th, 2015

ok i guess thats what they are looking for then?

May 6th, 2015

Slope m   is

y' = -9e^-9t

at t =0 Slope m  is y =-9

Now you need the point to find the equation of the line


May 6th, 2015

-9 is the slope of the tangent line


May 6th, 2015

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May 6th, 2015
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May 6th, 2015
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