Work Step by Step
$d(x) = 72 * x $ $d(2.4) = 72 * 2.3 $ $d(2.4) = 165.6 $
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.