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For this case we have that by definition the area of a rectangle is given by:
Where
- <em>w: width of the rectangle </em>
- <em>l: length of the rectangle </em>
The area of the original rectangle is given by:
The area of the new rectangle is given by:
Therefore, the original area increases with a factor of 9.
Anwer:
the original area increases by a factor of 9.
In this exercise, we have the following point:
Let's assume that y varies directly as x, so this implies we can writ y as the product of x and some non-zero real constant k. In a mathematical language:
As you can see, this is the equation of a line whose slope is k and passes through the origin. Therefore, the slope of the line is the constant of proportionality we are looking for:
Direct and indirect proportionality: brainly.com/question/10945121
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