Ernest has been tracking the value of his car every year since he bought it.

Question

Year 0 1 2 3
Car value ($) 30,000 27,000 24,300 21,870
Complete the sentence.
Ernest should use ___ function to model the value of his car because the ___ successive car values is constant.

Answer 1

Ernest should use an exponential decay function to model the value of his car because the percentage decrease in successive car values is constant.