Efficiency Studies A division of a certain toy company manufactures an electronic football game. An efficiency study showed that the rate at which the games are assembled by the average worker t hr after starting work at 8 AM. is %t2+8t+25 (05rs4) units/hour. (a) Find the total number of games the average worker can be expected to assemble in the 4 hr morning shift. l 8112 l x units (b) How many units can the average worker be expected to assemble in the first hour of the morning shift? lunks \ How many units can the average worker be expected to assemble in the second hour of the morning shift? unks