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OpenStudy (anonymous):
find the equation of a tangent line y=-x^2+2x+2 at x=-4 Cant figure it out :(
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OpenStudy (anonymous):
take the derivative, plug \(-4\)
OpenStudy (anonymous):
but how do i find y?
OpenStudy (anonymous):
because it needs to be written like this -> (y-y1)=m(x-x1)
OpenStudy (anonymous):
you find y by replacing x by -4
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