Mathematics for IGCSE & O level - Sketching Curves (Section 4 - No. 3)
Which of the following is a characteristic of a graph of the form \(y=x^3\)?
It has a turning point
It is symmetrical about the origin
It crosses the x axis at only one point.
It is an increasing function
Vysvětlení
Cubic functions are symmetrical around the origin, and are increasing functions.