Mathematics for IGCSE & O level - Functions (Section 1 - No. 23) | ExamPlay

Mathematics for IGCSE & O level - Functions (Section 1 - No. 23)

What is the domain of the function h(x) = 1/(x-4)?

All real numbers

x ≠ 4

x > 4

x < 4

Vysvětlení

The function is undefined when x=4, because that makes the denominator zero

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