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# Tutor profile: Sue L.

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Sue L.
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## Questions

### Subject:Java Programming

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Question:

What is the difference between ArrayList and LinkedList in Java?

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Sue L.

ArrayList is similar to an array where the search is simple. On the other hand, LinkedList is in linked list data structure which insertion and deletion is easily performed.

### Subject:Calculus

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Question:

Determine how fast the length of an edge of a cube is changing at the moment when the length of the edge is 5 cm and the volume of the cube is decreasing at a rate of 100 cm3/sec.

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Sue L.

The length of the edge is decreasing at a rate of 4/3 cm/sec at the moment

### Subject:Differential Equations

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Question:

Solve the ODE with initial condition: dy/dx y(2)=7y^2x^3=3.

Inactive
Sue L.

\begin{align*} y(x) & = \frac{-1}{\frac{7}{4}x^4 -\frac{85}{3}}. \end{align*}

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