Find the equations of all lines tangent to
f(x) = 9-x^2 that pass through the point (1,12).
Basically, how do you find the equation of a tangent line on a graph that passes through a point that isn't on the graph?

Question

Find the equations of all lines tangent to 
f(x) = 9-x^2 that pass through the point (1,12).
Basically, how do you find the equation of a tangent line on a graph that passes through a point that isn't on the graph?

goformit100 · Answer

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