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9-44.

Multiple Choice: The length of the curve $y = \frac { x ^ { 3 } } { 3 } + x ^ { 2 }$ for $2 ≤ x ≤ 5$ is:

$0$

$\frac { 13 } { 2 }$

$13$

$\frac { 27 } { 2 }$

$60.089$

Hint:

$\text{arc length}=\int_2^5\sqrt{1+(y^\prime)^2}dx$

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