What is the domain of f(x)= 9/(7x-28) ?

The domain of f(x)= 9/(7x-28) is x 4

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domain of f(x)= 9/(7x-28)

domain

f (x) = \frac{9}{7 x - 28}

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

g (x) = \frac{1}{x - 2}

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

y = 2 x + 1

- x^{2} - 2

f (x) = lo g_{x} (25 - x^{2})

What is the domain of f(x)= 9/(7x-28) ?
The domain of f(x)= 9/(7x-28) is x<4\lor x>4