9. [0/2 Points] DETAILS PREVIOUS ANSWERS LARCALCET7 3.1.030 Consider the following function. f(x) = x^2 + 4x - 1, (1, 4) (a) Find an equation of the tangent line to the graph of $f$ at the given point. y = \frac{2}{1}
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To do this, we take the derivative of f(x): f'(x) = 2x + 4 Then, we plug in x=1 to find the slope at the point (1,4): f'(1) = 2(1) + 4 = 6 So the slope of the tangent line is 6. Show more…
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