What is the domain of (13)/(10-x) ?

The domain of (13)/(10-x) is x 10

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domain of (13)/(10-x)

domain

\frac{13}{10 - x}

x < 10 or x > 10

Interval Notation

(- \infty, 10) \cup (10, \infty)

Solution steps

Find undefined (singularity) points:

x = 10

The function domain

x < 10 or x > 10

f (x) = \frac{x - 5}{3 x ^{2} + 4}

f (x) = lo g_{10} (x^{2} - 5 x)

4 x + 16

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

\frac{4 x}{1 + 7 x}