What is the domain of f(x)=log_{2}(x)-2 ?

The domain of f(x)=log_{2}(x)-2 is x>0

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domain of f(x)=log_{2}(x)-2

domain

f (x) = lo g_{2} (x) - 2

x > 0

Interval Notation

(0, \infty)

Solution steps

Find positive values for logs:

x > 0

The function domain

x > 0

f (x) = \frac{4}{x}

f (x) = \frac{5 x}{3 x - 4}

\frac{x ^{2} + 4 x + 3}{x}

f (x) = x \cdot e^{\frac{1}{x}}

f (x) = 2 x^{3} - 3 x^{2} - 36 x + 5

What is the domain of f(x)=log_{2}(x)-2 ?
The domain of f(x)=log_{2}(x)-2 is x>0