Mathematics for IGCSE & O level - Graphs Of Functions (Section 1 - No. 26) | ExamPlay

Mathematics for IGCSE & O level - Graphs Of Functions (Section 1 - No. 26)

What is the range of the function y = -x²?

y ≥ 0

y ≤ 0

All real numbers

x ≤ 0

Explanation

Since x² is always non-negative, -x² is always non-positive.

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