Answer
$v=0.243i+0.970j$
Work Step by Step
The slope of the function at point $(2,4)$, is
$y'=2x$
$2\times2=4$
$\theta=\arctan(4)=75.96^o$
$|v|=1$
$v=1\cos(75.96^o)+1\sin(75.96^o)$
$v=0.243i+0.970j$
Calculus: Early Transcendentals 9th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1337613924
ISBN 13:
978-1-33761-392-7
Chapter 12 - Section 12.2 - Vectors - 12.2 Exercises - Page 845: 41
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