Calculus tangent line problem.

February 13, 2008 – 5:05 am

Bob Noel:

1. Find the equations of all tangents to the graph f(x) = x^2-4x + 25 that pass through the origin. 2. The relevant equations to my knowledge are the slope formula and f ‘ (x) 3. First I found the derivative using various rules to be f …

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