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# 8.2 - 8.2 Reviewing Function Notation and Graphing...

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Unformatted text preview: 8.2 Reviewing Function Notation and Graphing Nonlinear Functions Letters such asf, g, and h are often used to name functions. The symbolﬂx) means function ofx and is read "f of x.” This notation is called function notation. V=‘-3X+ 2 can be written as f(x) =—3x+ 2 an: )2 ~3K+Z Note thatf(x) is a special symbol used to denote a function. The symbolf(x) does NOT meanf - x (ftimes x.). When we want to evaluate a function at a particular value of x, we substitute the x—value into the notation. Emma Tm: —3x +3 "Fm xr—Sk — —3(2.)+R -. —-6+:L a .1 __ ."chn: -—3x+?— (EMA ’F["‘5—): “’3L‘6) +2 _ l6>+2 .— 405 2; l4 Given that g(x) = x2 -— 2x, find g(— 3). Then write down the corresponding ordered pair. & git-23): (*3) “at?“ 1 9+6 -——"' “—"lb My b.3116?) Graph y = 2x2. le- Graph y ...
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