Chapter 2: Problem 6
(a) plot the points, (b) find the distance between the points, and (c) find the midpoint of the line segment joining the points. \((2,10),(10,2)\)
Chapter 2: Problem 6
(a) plot the points, (b) find the distance between the points, and (c) find the midpoint of the line segment joining the points. \((2,10),(10,2)\)
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Get started for freeDescribe the sequence of transformations from \(f(x)=\sqrt{x}\) to \(g\). Then sketch the graph of \(g\) by hand. Verify with a graphing utility. \(g(x)=\sqrt{-x}+1\)
Find the domains of \((f / g)(x)\) and \((g / f)(x)\) for the functions \(f(x)=\sqrt{x}\) and \(g(x)=\sqrt{9-x^{2}}\) Why do the two domains differ?
Determine the domain of (a) \(f\), (b) \(g\), and (c) \(f \circ g\). \(f(x)=x^{2}+3, \quad g(x)=\sqrt{x}\)
Show that \(f\) and \(g\) are inverse functions by (a) using the definition of inverse functions and (b) graphing the functions. Make sure you test a few points, as shown in Examples 6 and 7 . \(f(x)=9-x^{2}, \quad x \geq 0\) \(g(x)=\sqrt{9-x}, \quad x \leq 9\)
Evaluate the function for \(f(x)=2 x+1\) and \(g(x)=x^{2}-2\) \((f g)(-2)\)
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