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120_ch12_13rev

# 120_ch12_13rev - Mat 120 Chapter 12&13 Review Summer 2007...

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Mat 120 - Chapter 12 &13 Review - Summer 2007 Name___________________________________ Find the function value indicated for the function. If necessary, round to two decimal places. If the function value is not a real number and does not exist, state so. 1) Evaluate t(x) = - x + 12 for t( - 4) Find the domain of the square root function. Then choose the correctly labeled graph which plots that radical function. 2) f(x) = 3 - x Write as a radical andsimplify 3) 25 - 3/2 Use the laws of exponents to simplify. Do not use negative exponents in your answer. 4) 5 2/3 · 5 1/5 Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers. 5) 16a 2 b - 3 a - 2 b 5 1/4 Simplify the Radical expression. Assume that all variables represent positive real numbers. 6) - 48k 7 q 8 1

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Simplify the Radical expression. Assume that any variable in a radicand represents a positive real number. 7) 3 16x 17 y 15 Solve the equation.
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120_ch12_13rev - Mat 120 Chapter 12&13 Review Summer 2007...

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