Air freshener A has a mass of 42 grams when opened and its mass decreases by 4.2 grams each day. Air freshener B has a mass of 42 grams when opened and its mass decreases by 4.2% each day. a. Write a function a that determines the mass of air freshener A (in grams) in terms of the number of days t since it was opened. a(t) = (42-4.2t) b. Write a function b that determines the mass of air freshener B (in grams) in terms of the number of days t since it was opened. b(t) = Preview Preview syntax error

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