Question

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Water is being pumped, at a constant rate, into an underground storage tank that has the shape of a rectangular prism. Which of the graphs below best represent the changes in the height of water in the tank as a function of the time?
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Answer 1

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When water is pumped into a tank, the height of the water will increase. The graph in the top right side shows a decreasing height and the graph at the bottom right shows a constant height and cannot therefore represent the height as a function of time. The graph at the top left is not the graph of a function. The only graph that may represent the height of the water in the tank being filled is the graph in the bottom left which shows an increasing height.

Answer 2

Answer:

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Solution:

If L and W be the original length and width of the rectangle and its area is given by

L × W

After increase the length becomes 2 L and the width becomes 3 W.

The area is then given by (2 L) × (3 W) and is known.

Hence (2 L) × (3 W) = 1800

Solve the above equation to find L × W

6 L × W = 1800

L × W = 1800 / 6 = 300 square meters , area of original rectangle

Step-by-step explanation:

Hope my answer will be helpful for you thanks

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