What is the domain of f(x)=(5x+7)/(2x+8) ?

The domain of f(x)=(5x+7)/(2x+8) is x -4

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domain of f(x)=(5x+7)/(2x+8)

domain

f (x) = \frac{5 x + 7}{2 x + 8}

x < - 4 or x > - 4

Interval Notation

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

Solution steps

Find undefined (singularity) points:

x = - 4

The function domain

x < - 4 or x > - 4

3 + 2 - x

y = ln (x^{2} - 12 x)

\frac{( 9 x )}{5} + 32

f (x) = \frac{x + 7}{x - 3}

What is the domain of f(x)=(5x+7)/(2x+8) ?
The domain of f(x)=(5x+7)/(2x+8) is x<-4\lor x>-4