Match the following. 1 . exponential growth growth of a quantity that is directly proportional to the amount present 2 . exponential decay y = a x , where a is greater than zero but not equal to 1 and x is an exponent 3 . exponential function decline of a quantity that is directly proportional to the amount present 4 . geometric sequence the ratio of a term to the previous term in a geometric sequence 5 . common ratio a set of numbers that have the same ratio between any two consecutive terms