Calculus homework help please

a. The funclmn 5(t) : 731:1 + 12: + 5 models Ihe posilion (In nmmp ofan objeclas a function of lime (in seconds). a) Find file velocity and nccelerllian function. “3 m) = 5‘6}- 4“ )t + ‘L = ’ m) ., w): s "(19) = d h) Delennme Lhe velodly of Ike ohjul when t = 3 second: b) WE - w) m. '19H1 = vb “/5 , >b _ »u. , n1 _ c) Whatisthemnlmum helghtoflheobjccl? GruphtheFm/wn ) “M x, T”; , 31—3): :L— ( A at?” Sula "do (Lt) 2 5(1) =~ 397+‘309 " g I ‘ ., lo M “01$, M M‘Iwww “(HIS e (3.10) ‘MM hunk M9. in Man WNW 3.! 5L0 ‘1“? 6+}R3 4‘” 1"}: Ln)“ 5 ——~—0-L