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Stitz-Zeager_College_Algebra_e-book

# This is charless law b the frequency of a wave f is

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Unformatted text preview: e) f (x) = (f) f (x) = (g) f (x) = 4 x+2 5x 6 − 2x 1 x2 1 2 + x − 12 x 2x − 1 −2x2 − 5x + 3 x 2 + x − 12 x 4x x2 + 4 (h) f (x) = 4x x2 − 4 (i) f (x) = x2 − x − 12 x2 + x − 6 (j) f (x) = 3x2 − 5x − 2 x2 − 9 (k) f (x) = x3 + 2 x2 + x x2 − x − 2 (l) f (x) = −x3 + 4x x2 − 9 (m) 16 f (x) = x2 − 2x + 1 x3 + x2 − 2x 3. Example 4.2.4 showed us that the six-step procedure cannot tell us everything of importance about the graph of a rational function. Without Calculus, we need to use our graphing calculators to reveal the hidden mysteries of rational function behavior. Working with your classmates, use a graphing calculator to examine the graphs of the following rational functions. Compare and contrast their features. Which features can the six-step process reveal and which features cannot be detected by it? (a) f (x) = (b) f (x) = 16 x2 1 +1 x2 x +1 x2 x2 + 1 x3 (d) f (x) = 2 x +1 (c) f (x) = Once you’ve done the six-step procedure, use your calculator to graph this function on the viewing window [0,...
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