Problems 5.! to 5.3 refer to the function re) 2 (z + new? All numerical quantities must be exactly expressed. Graphing may be used to verify the aSWETSJ but all answers must be nnniytieny determined. 5.1 Find all the open interval(s], if any, where the function is increasing. 5.2 Find all the open interves], if any, Where the function is decreasing. 5.3 Find all Local Eremn (exprees in (as, y} form} and state whether each extrenmm ie a Local Maximum or a. Local Minimum