Using a grapher, graph f and f ? over the given interval. Then estimate points at which the tangent line to f is horizontal. Sketch the graphs.
(0.37260293, 1.2364915) , (1.734937, ?1.511481)
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Provide an appropriate response.Show that if a and b are not both 0, the graph of the equation 
is a circle. Find the radius and the rectangular coordinates of the center of this circle.
What will be an ideal response?
Use a graphing calculator or computer to determine which of the given viewing windows displays the most appropriate graph of the specified function.f(x) = |x2 - 4|
A. [-5, 5] by [-15, 15] B. [0, 5] by [-2, 10] C. [-10, 10] by [-15, 15] D. [-5, 5] by [-2, 10]
Find the angle between the pair of vectors to the nearest tenth of a degree.7i - 4j, 9i - 8j
A. 11.9° B. 71.4° C. 12.9° D. 39.4°
Find the center and the radius of the sphere that has the given equation. Select the correct answer.
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