#### Answer

$\Delta f= 0.12$

#### Work Step by Step

$\Delta f= f(a+\Delta x)-f(a)=f(3.02)-f(3)$
$\implies a=3$ and $\Delta x= 0.02$
According to the Eq.2,
$\Delta f= f'(a)\Delta x= f'(3)\times0.02$
$= 2\times3\times0.02= 0.12$

Published by
W. H. Freeman

ISBN 10:
1464125260

ISBN 13:
978-1-46412-526-3

$\Delta f= 0.12$

You can help us out by revising, improving and updating this answer.

Update this answerAfter 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.