Worksheet 6.4 Arc Length - Calculus Maximus Page 2

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Calculus Maximus
WS 6.4: Arc Length
3. (Calculator Permitted) Which of the following gives the best approximation of the length of the arc of
 
x 
y
cos 2
x
from
to
?
0
x
4
(A) 0.785
(B) 0.955
(C) 1.0
(D) 1.318
(E) 1.977
y   to
y  ?
3
4. Which of the following gives the length of the graph of
x
y
from
2
2
2
2
2
2
2
6
6
4
2
4
(A)
1 y
dy
(B)
1 y dy
(C)
1 9 y dy
(D)
1 x dx
(E)
1 x dx
2
2
2
2
2
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