What is the domain of f(x)=(-9x+8)/(-12x+11) ?

The domain of f(x)=(-9x+8)/(-12x+11) is x 11/12

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domain of f(x)=(-9x+8)/(-12x+11)

domain

f (x) = \frac{- 9 x + 8}{- 12 x + 11}

x < \frac{11}{12} or x > \frac{11}{12}

Interval Notation

(- \infty, \frac{11}{12}) \cup (\frac{11}{12}, \infty)

Solution steps

Find undefined (singularity) points:

x = \frac{11}{12}

The function domain

x < \frac{11}{12} or x > \frac{11}{12}

9 - 3^{x}

f (x) = \frac{x}{1 - ln ( x - 9 )}

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

f (x) = \frac{x}{x ^{2} - 25}

f (x) = x^{2} + 49

What is the domain of f(x)=(-9x+8)/(-12x+11) ?
The domain of f(x)=(-9x+8)/(-12x+11) is x< 11/12 \lor x> 11/12