Solved example of power rule for derivatives
The derivative of a function multiplied by a constant ($15$) is equal to the constant times the derivative of the function
Subtract the values $2$ and $-1$
Multiply $15$ times $2$
Any expression to the power of $1$ is equal to that same expression
The power rule for differentiation states that if $n$ is a real number and $f(x) = x^n$, then $f'(x) = nx^{n-1}$
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