Chapter 2: Problem 9
Find the slope of the tangent line to the graph of the function at the given point. \(f(t)=3 t-t^{2}, \quad(0,0)\)
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Chapter 2: Problem 9
Find the slope of the tangent line to the graph of the function at the given point. \(f(t)=3 t-t^{2}, \quad(0,0)\)
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A television camera at ground level is filming the lift-off of a space shuttle at a point 750 meters from the launch pad. Let \(\theta\) be the angle of elevation of the shuttle and let \(s\) be the distance between the camera and the shuttle (as shown in the figure). Write \(\theta\) as a function of \(s\) for the period of time when the shuttle is moving vertically. Differentiate the result to find \(d \theta / d t\) in terms of \(s\) and \(d s / d t\).
(a) Find an equation of the normal line to the ellipse \(\frac{x^{2}}{32}+\frac{y^{2}}{8}=1\) at the point (4,2) . (b) Use a graphing utility to graph the ellipse and the normal line. (c) At what other point does the normal line intersect the ellipse?
Determine the point(s) at which the graph of \(y^{4}=y^{2}-x^{2}\) has a horizontal tangent.
In Exercises \(75-80\), evaluate the derivative of the function at the indicated point. Use a graphing utility to verify your result. \(\frac{\text { Function }}{f(x)=\frac{3}{x^{3}-4}} \quad \frac{\text { Point }}{\left(-1,-\frac{3}{5}\right)}\)
Find an equation of the tangent line to the graph of \(g(x)=\arctan x\) when \(x=1\)
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