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Popular >

domain of (3x)/(x+3)

Solution

domain

\frac{3 x}{x + 3}

Solution

x < - 3 or x > - 3

+1

Interval Notation

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

Solution steps

Find undefined (singularity) points:

x = - 3

The function domain

x < - 3 or x > - 3

Popular Examples

domain of f(x)=(sqrt(2+x))/(2-x)domain

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

domain of (x+3)/(x^3+27)domain

\frac{x + 3}{x ^{3} + 27}

domain of f(x)=sqrt(x+5)*9/(x+4)domain

f (x) = x + 5 \cdot \frac{9}{x + 4}

domain of (sqrt(2-x))/(x+7)domain

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

domain of sqrt((x+8)(x+2))domain

(x + 8) (x + 2)

Frequently Asked Questions (FAQ)

What is the domain of (3x)/(x+3) ?
The domain of (3x)/(x+3) is x<-3\lor x>-3