## anonymous one year ago What is the domain of f(x)=3x -²

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1. SolomonZelman

$$\displaystyle 3x^{-2}\Longrightarrow \frac{3}{x^2}$$ you know that right?

2. SolomonZelman

I am using the rule: $$\LARGE\displaystyle a^{-b}=\frac{1}{a^b}$$ and when I have a constant in front, such that: $$\LARGE\displaystyle c(a)^{-b}=c\cdot \frac{1}{a^b}=\frac{c}{a^b}$$