March29,2004 12:44 k82-answers Sheetnumber3 Pagenumber3 cyanblack Answers AN-3 93. −3−2−1 123 2 4 6 8 x y f(x)= 3x−2ifx≥ 2 x+2ifx<2 95. Thetwofunctionsarethesame. 97. f(a+b)= m(a+b)= ma+mb= f(a)+f(b) 99. 3f(x)= 3·3x= 3x+1 = f(x+1), f(a+b)= 3a+b= 3a·3b= f(a)·f(b) Section1.2 1. C= 3x+10,000 3. R= 5x 5. P= 2x−10,000 7. x= 2 9. x= 20 ...