3x
Definition
3x represents an expression involving x where x is multiplied by 3. It scales or stretches the variable x by a factor of 3.
Analogy
Imagine you are blowing up balloons for a party. If you blow up each balloon three times bigger than before, then the size (or value) of each balloon will be stretched by a factor of 3 compared to its original size.
Related terms
Constant multiple rule: A rule stating that when finding derivatives, multiplying a function by a constant multiplies its derivative by that same constant.
Power rule: A rule used to find derivatives for functions involving powers (exponents).
Composite function: A function formed by plugging one function into another, such as f(g(x)).
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