4.8AnalyzingGraphsofPolynomialFunctionsWhathavewelearnedsofarinthischapter?Example1:Usingx-interceptstographapolynomialfunctionGraphthefunction:! ! = !
! ! + 3 ! − 2 !
TheLocationPrincipleBackinmyday…Example2:Locatingrealzerosofapolynomialfunction.Findallrealzerosof:! ! = 6!! + 5!! − 17! − 6