That really depends on the functional relationship between "x" and "y", which might be quite complicated. If you want a criterion to quickly find out whether "y" increases faster than "x", it is this:
dy/dx > 1 (in words: the derivative is greater than one).
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Percentage of increase is the difference between (new value - old value) divided by the old value times 100%. That is... (245 - 64) ÷ 64 x 100% = 181 ÷ 64 x 100% ≈ 2.828 x 100% = 282.8% In other words, an increase from 64 to 245 is an increase of 282.8%.
The answer depends on the value of x, which is not given.
The formula for rate of percentage increase is: (Old Value - New Value) ÷ Old Value x 100 or (New Value - Old Value) ÷ Old Value x 100 The reason for the two formula's are that they're exactly the same but depending on the numbers you do not want to result in a negative number. Let's take an example: Sally purchased a television set in 2012 for $1000. In 2016, Sally sold the television for $6000. Calculate her percentage of increase. Now we use the formula: (New Value - Old Value) ÷ Old Value x 100 or (($6000 - $1000) ÷ $1000) x 100 ($5000 ÷ $1000) x 100 5 x 100 500 Thus Sally sold her television set for a 500% increase from when she bought it.
It depents from the value of x.If x>0 then, |x|=xIf x
Any value of x that is more than 4, for example 4.000000000000001