3|. The radius r. in inches, of a spherical balloon is related to the volume, V, by r'] = 3 . Air is pumped into the balloon, so the volume after rseconds is given by Mr}: l+2L a. Find the composite function r01!\" 1}. Find the radius after 243 seconds 32. The number of bacteria in a refrigerated food product is given by N {I} = 23:"2 ST+l , 3 s: 3" i133, where Ir" is the temperature of the food. When the food is removed from the refrigerator, the temperature is given by TU] = 5: +1.51 1.vhere r is the time in hours. a. Find the composite function N(T{t]) I}. Find the bacteria count after4 hours 33. Given pix}: % and m (I) 2x3 4 , find the domain of mm: mix\". I l a 34. Given pk] = and m[_r]=9I' , find the domain of m( ptxl} . E l 2 . 1+3 and g{1]=:, nd the domain of j (g{x}) 35. Given x)