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The domain of the function is 1
MATHEMATICS · Subjective · GCSE · Mathematics · Number · Number
Problem
The domain of the function
f
(
x
)
=
x
−
2
f(x) = \sqrt{x-2}
f
(
x
)
=
x
−
2
is 1.
x
>
2
x > 2
x
>
2
2.
x
≥
2
x \ge 2
x
≥
2
3.
x
≤
2
x \le 2
x
≤
2
4. all real numbers
Related theory
Real Number System
Surds and rationalisation
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