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MAT 194 Ans Key Fall 06

MAT 194 Ans Key Fall 06 - c concave up from x =-4 to x = 1...

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MAT 194 Fall 2006 Final Exam Answers 1.) a. Domain is all real numbers except 0. b. Domain is [ 2, 1) ( 1,3) (3, ) . 2.) 9 3.) a.) Y = -0.5x + 4 b.) Y = -3x + 4 4.) a.) increasing from x = -1 to x = 3 b.) decreasing from x = -4 to x = -1, and from x = 3 to x = 5
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Unformatted text preview: c.) concave up from x = -4 to x = 1 d.) concave down from x = 1 to x = 5 5.) y = (1/2)(2) x 6.) a.) t = ln(2) b.) t = (e-3 +1)/2 7.) omit 8.) y = -40cos((pi/10)x) + 30 9.) f(x) = 2-x, g(x) = 5/x 2 10.) y = -0.5(x+2)(x-1)(x-3)...
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