Asked by Anonymous
Given f(x)=x+sqrt(x)
calculate the tangent line at the point (9,12)
y=___?__(x-9)+12
calculate the tangent line at the point (9,12)
y=___?__(x-9)+12
Answers
Answered by
Steve
you have a point: (9,12)
and a slope: y'(9) = 7/6
so the line is
y-12 = 7/6 (x-9)
and a slope: y'(9) = 7/6
so the line is
y-12 = 7/6 (x-9)
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