What is the domain of log_{9}(x^2-16) ?

The domain of log_{9}(x^2-16) is x 4

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domain of log_{9}(x^2-16)

domain

lo g_{9} (x^{2} - 16)

x < - 4 or x > 4

Interval Notation

(- \infty, - 4) \cup (4, \infty)

Solution steps

Find positive values for logs:

x < - 4 or x > 4

The function domain

x < - 4 or x > 4

\frac{2 x + 1}{x ^{2} - 9}

\frac{3 x - 8}{25}

2 (x - 2)

f (x) = \frac{7 + 2 x}{x - 1}

f (x) = \frac{1}{x ^{2} + 2 x - 3} + x + 4

What is the domain of log_{9}(x^2-16) ?
The domain of log_{9}(x^2-16) is x<-4\lor x>4