30. A company bought a commercial trash compactor for $7000. They choose to depreciate the have a value of $2800? trash compactor using straight-line depreciation over 20 years. When will the trash compactor a) After 10 years c) After 12 years b) After 7 years d) After 16 years 31. Use the figure to solve the inequality: f(x) > g(x) . Express the solution in interval notation (2, 16 ) 10 y = f (x ) 5 + y = g(x) c) (-1,0) U(2,00) d) (-00,-1) U (2, 00) b) (-1,0) 3 ) ( -00, - 1 ) U (0, 2 )3x 28. Rewrite the rational equation using Partial Fraction Decomposition. What is the value of pa (x + 2) (x -4) x+2 x-4 A B a) 1 b ) - 1 d) 2 0 ) - 2 29. Determine which Rational Function might be represented by the following graph. 2 3 4 5 a) f(x) = ( x+2) (x-2) b) f (x ) = *- 1 x+1 x 2 - 4 1 c) f (x ) = = (x- 1) ? d) f (x) = (x+2) (x-2) (x-1)32. Graph the solution region for the system of inequalities: ysx- 2 b) C) d) f (0) =8. 33. Find a 3" degree polynomial function with real coefficients that has as its zeros: -4 and i with a) b ) C ) d) f(x) =-2x3 -8x2 + 2x+8 f(x)=2x3+8x2+2x+8|f(x)=-x-5x2-2x+8|f(x)=2x -8x7+2x-8 34. Which statement is always true for a 5th degree polynomial? a) It will have exactly 1 real zero b) It will have exactly 5 real zeros c) It must have at least 1 real zero d) It will have more than 5 real zeros 35. Find the Domain of the logarithmic function in set builder notation: g (x) = -2In (1-x) a) {xxsi) c) (x/ x 1