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Find each of the following functions. f(x) = x-5, g(x) = x + 5x + 4 (a) f.g State the domain of the function.
Find each of the following functions. f(x) = x-5, g(x) = x + 5x + 4 (a) f.g State the domain of the function. (Enter your answer using interval notation.) (b) gof State the domain of the function. (Enter your answer using interval notation.) (c) fof State the domain of the function. (Enter your answer using interval notation.) (d) 9.9 State the domain of the function. (Enter your answer using interval notation.)
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solution a fg To find the composition of functions fg we substitute gx into fx fgx fgx fx 5x 4 x 5x 4 5 x 5x 1Domain of fg The domain of fg is determi...
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An Introduction to Analysis
Authors: William R. Wade
4th edition
132296381, 978-0132296380
