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9The domain of the function f(x) = x +42 - 12is all real numbers a except for where a equals 1

9The domain of the function f(x) = x +42 - 12is all real numbers a except for where-example-1
User Fattum
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1 Answer

3 votes

Answer: 3

Step-by-step explanation:

The denominator of a fraction can not have the value zero.

So,

4x - 12 ≠ 0

4x ≠ 12

x ≠ 12/4

x ≠ 3

The domain of the function is all real numbers x except for where x equals 3.

User CREW
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