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 02-11-2011, 09:12 PM #1 Junior Member   Join Date: Dec 2009 Posts: 181 Math Placement Exam practice I just did it and there are a few problems that are stumping me. It's simple stuff it's just been a while since I've done it. Can somebody please explain how to get the answers to the following questions? x^2-14x>15 is equivalent to ? 7^x = 3, x = ? t = e^(x+2), x = ? ((x^2-4)/(5x))*(30/(3x-6)) = ? 8^(2/3)*16^(1/4) = ? log base10 s = 4, s = ? Thanks!! Reply
 02-11-2011, 10:45 PM #2 New Member   Join Date: Feb 2011 Posts: 6 quadratic equation (if you want to solve for x) logarithms logarithms simplifying powers and roots logarithms Reply

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