1. DETAILS Calculate the average rate of change of the given function over the given interval. Interval: [1, 5] l: {(x) 6 11 14 1? 21 30 2. DETAILS Calculate the average rate of change of the given function over the given interval. Specify.r the units of measurement. Round your answer to three decimal places. Interval: E2, 8] t{month5) 2 4 6 8 10 12 RUE) ($) 20,500 24,200 20,000 20,900 23,700 19,400 Su bmit An swer