Math 1501 Interval Questions. - MATH 1501-B1 Test 1 9 June 2011 1(4 points Solve(1 x(x2 1 < 0 Give your answer in interval notation Solution The zeros

Math 1501 Interval Questions. - MATH 1501-B1 Test 1 9 June...

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MATH 1501-B1 Test 1 9 June 2011 1. (4 points) Solve (1-x)(x2-1)<0. Give your answer in interval notation. 2. (4 points) For which real numbersxis the expressionrx3-1xdefined? 3. (4 points) The symboldxedenotes the smallest integer which isx(e.g.,d2.1e= 3 andd-0.9e= 0). Graph the functionsf(x) =d2x-1eandg(x) = 2dxe -1 on the interval[-3,3]. Be sure to clearly label your graphs and the axes.

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