Estimating the slope of the tangent line from a graphVisit ferullomath.com for videos and materials on precalculus and calculus

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We can find the slope of the tangent line at the point x = 1 by taking the derivative of f(x) at x = 1. f'(x) = 2x. f'(1) = 2(1) = 2. Therefore, the slope of the tangent line at x = 1 is 2. If

Find the slope of the line tangent to at . Possible Answers: Correct answer: Explanation: f (x) in this case gives us a parabola. If we factor the f (x) we get: This equation has one zero and that

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You can see that the slope of the parabola at (7, 9) equals 3, the slope of the tangent line. But you can't calculate that slope with the algebra slope formula because no

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Take the first derivative of the function to get f' (x), the equation for the tangent's slope. Solve for f' (x) = 0 to find possible extreme points. Take the second derivative to get f''

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