What is the domain of f(x)=(2x)/(7x-20) ?

The domain of f(x)=(2x)/(7x-20) is x 20/7

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domain of f(x)=(2x)/(7x-20)

domain

f (x) = \frac{2 x}{7 x - 20}

x < \frac{20}{7} or x > \frac{20}{7}

Interval Notation

(- \infty, \frac{20}{7}) \cup (\frac{20}{7}, \infty)

Solution steps

Find undefined (singularity) points:

x = \frac{20}{7}

The function domain

x < \frac{20}{7} or x > \frac{20}{7}

f (x) = 2^{(x + 1)}

f (x) = \frac{3 x + 1}{5 x - 20}

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

\frac{( x ^{2} - x - 6 )}{x - 4}

20 - x^{2}

What is the domain of f(x)=(2x)/(7x-20) ?
The domain of f(x)=(2x)/(7x-20) is x< 20/7 \lor x> 20/7