Which of the following shows all of the possible rational roots for the function f(x)=2x^4-5x^3+9x^2+7? * 5 points
±1, ±7
±1, ±7, ±14
±1, ±7, ±1/2, ±7/2
±1, ±7, ±1/2, ±7/2, ±14

Questions 7-8. use the following table to answer. year 2006 2007 2008 2009 2010 2011 2012 2013 cpi 201.6 207.342 215.303 214.537 218.056 224.939 229.594 232.957 7. suppose you bought a house in 2006 for $120,000. use the table above to calculate the 2013 value adjusted for inflation. (round to the nearest whole number) 8. suppose you bought a house in 2013 for $90,000. use the table above to calculate the 2006 value adjusted for inflation. (round to the nearest whole number)