Calculus
posted by Olivia .
How do you find the original function given the equation of a tangent line and two points?

Calculus 
Steve
No way to tell, unless you know you are working with something simple, like a quadratic. If
y = ax^2+bx+c
and you have two points, then you also have
2ax+b = slope of the tangent line
Then you have three equations to solve for a,b,c.
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Could someone please help me with these tangent line problems? 
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How do you find the original function given a point (a,b) and the equation of the line tangent to the graph of f(x) at (a,b). For example: The point is (4,11) and 7x3y=61 is the equation of the line tangent to the graph of f(x)