What is the domain of f(x)=(1+x)/(2-x) ?

The domain of f(x)=(1+x)/(2-x) is x 2

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domain of f(x)=(1+x)/(2-x)

domain

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

x < 2 or x > 2

Interval Notation

(- \infty, 2) \cup (2, \infty)

Solution steps

Find undefined (singularity) points:

x = 2

The function domain

x < 2 or x > 2

f (x) = 9 x - x^{3}

f (x) = \frac{x ^{2}}{4 - x ^{2}}

12 x^{3} - 5 x^{2} - 11 x + 6

f (x) = x ln (x^{2})

f (x) = 12 + lo g_{10} (1 - x^{2})

What is the domain of f(x)=(1+x)/(2-x) ?
The domain of f(x)=(1+x)/(2-x) is x<2\lor x>2