In 2012, 34.1% of all glass containers were recycled. A beverage company used 350,000 lb of glass containers per year After recycling, the amount of glass, in pounds, still in use after t years is given by N(t) = 350,000(0.373). a) Find N(7), and explain its meaning. b) Find N'(7), and explain its meaning. c) When will 6% of the original amount of glass still be in use? a) N(7) = 351.58 lb Round to two decimal places as needed.) The expression N(7) means that after year(s), the amount of glass still in use N(7) pounds. N(7) pounds per year. N'(7) pounds per year. N'(7) pounds