UNIT 1 Relations, Functions, and Graphs

find f( 4) if f(x) 33x3 7x2 2x, evaluate the expression 3x 7x2 2x for x 4. Evaluate each function for the given value. a. f( 4) if f(x) 3x3 7x2 2x b. g(9) if g(x) 6x 77 f( 4) 3( 4)3 7( 4)2 2( 4) g(9) 6(9) 77 192 112 ( 8) or 296 23 or 23 Lesson 1-1 Relations and Functions 7 a relation that is a function a relation that is not a function y O x O x ................
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