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What is the domain of the function f(x)= 1/(x-1).a.R/ {3}b.Rc.R/ {1}d.R/{-3}Clear my choice

Question

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Solution

Step 1: Break Down the Problem

To find the domain of the function f(x)=1x1 f(x) = \frac{1}{x - 1} , we need to identify the values of x x for which the function is defined. Specifically, we need to check where the denominator equals zero, as division by zero is undefined.

Step 2: Relevant Concepts

The function f(x) f(x) is defined for all real numbers except where the denominator is zero.

Step 3: Analysis and Detail

Set the denominator equal to zero to find the restriction on x x : x1=0 x - 1 = 0

Solving for x x : x=1 x = 1

Thus, the function f(x)=1x1 f(x) = \frac{1}{x - 1} is undefined at x=1 x = 1 . Therefore, the domain excludes this value.

Step 4: Verify and Summarize

Since the function is defined for all real numbers except for x=1 x = 1 , the domain is R{1} \mathbb{R} \setminus \{ 1 \} .

Final Answer

The domain of the function f(x)=1x1 f(x) = \frac{1}{x - 1} is R{1} \mathbb{R} \setminus \{ 1 \} , which corresponds to option c. R{1} \mathbb{R} \setminus \{1\} .

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