Mathematics for IGCSE & O level - Graphs Of Functions (Section 2 - No. 4)
What best describes the graph of y = ax³, where a > 0?
A parabola opening upwards.
A line with positive slope.
An S-shaped curve increasing from left to right.
A hyperbola.
Explanation
When a > 0, the cubic function y = ax³ will be an S-shaped curve increasing from left to right.
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