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Unformatted text preview: ....... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... (Total 6 marks) 506 751. The function f is defined by f ( x) = (a) 3 9 – x2 , for –3 < x < 3. On the grid below, sketch the graph of f. 507 (b) Write down the equation of each vertical asymptote. (c) Write down the range of the function f. ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... (Total 6 marks) 508 752. A triangle has its vertices at A(–1, 3), B(3, 6) and C(–4, 4). (a) Show that AB • AC = – 9 (b) ˆ Show that, to three significant figures, cos BAC = – 0.569 . ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... .......................................................................
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This note was uploaded on 06/24/2013 for the course HISTORY exam taught by Professor Apple during the Fall '13 term at Berlin Brothersvalley Shs.

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