What is the domain of log_{10}(x^2-9) ?

The domain of log_{10}(x^2-9) is x 3

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domain of log_{10}(x^2-9)

domain

lo g_{10} (x^{2} - 9)

x < - 3 or x > 3

Interval Notation

(- \infty, - 3) \cup (3, \infty)

Solution steps

Find positive values for logs:

x < - 3 or x > 3

The function domain

x < - 3 or x > 3

\frac{x + 7}{x - 2}

(3 + x)^{2}

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

f (x) = 2 x + 2 - 5

g (x) = 3 x^{2}

What is the domain of log_{10}(x^2-9) ?
The domain of log_{10}(x^2-9) is x<-3\lor x>3