What is the domain of f(x)=(7x)/(8-x) ?

The domain of f(x)=(7x)/(8-x) is x 8

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domain of f(x)=(7x)/(8-x)

domain

f (x) = \frac{7 x}{8 - x}

x < 8 or x > 8

Interval Notation

(- \infty, 8) \cup (8, \infty)

Solution steps

Find undefined (singularity) points:

x = 8

The function domain

x < 8 or x > 8

(16, - 6), (8, - 8)

(x + 3) \cdot (x + 2) \cdot (7) = x + 2 x + 3 x + 6

(1, 740), (2, 4445)

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

x^{4} - 50 x^{2} + 7

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