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Mathematics 19 Online
OpenStudy (darkigloo):

If dy/dt=-2y and if y=-1 when t=0, what is the value of t for which y=-1/2?

OpenStudy (darkigloo):

all i know is i have to do int(dy/dt)=int(-2dt) and it becomes lny=-2t+lnC but i'm confused about the lnC.

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