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وارد شوید

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

توضیح

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

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