It is "directly".Originally Posted by Aarxn
There are two proportions. Direct and Inverse.
Inverse is when two variables mutiply to a constant, thus,
thus, - they form a hyperbola.
Direct proprtion is when two variables divide to give a constant, thus,
thus, -they form a line.
The case here is,
where "l" is a constant, thus we have a direct proportion.
To learn more about direct and inverse proprtions.
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