27-32 - Evaluating Composition of Functions Use f(x) = 2x – 3 and g(x) = 4 – x² to evaluate the expression. 27. (a) f(g(0) (b) g(f(0)) 28. (a) f(f(2)) (b) g(g(3) (b) (g • )(-2) (b) (g • g)(-1) 29. (a) (ƒ•g)(-2) 30. (a) (ƒ•f)(-1) 31. (a) (f•g)(x) (b) (g • D)(x) 32. (a) (f f)(x) (b) (g • g)(x)
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27–32 ■ Evaluating Composition of Functions Use
f1x2 2x 3 and g1x2 4 x2
to evaluate the expression
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