1. The problem is to graph the function $y=2x^{3}$.
2. The function is a cubic polynomial where the coefficient 2 scales the cubic term $x^{3}$.
3. Important properties:
- The graph passes through the origin $(0,0)$ because when $x=0$, $y=0$.
- For positive $x$, $y$ increases rapidly since $x^{3}$ grows quickly.
- For negative $x$, $y$ decreases rapidly (goes to negative infinity) because $x^{3}$ is negative.
4. The function is odd, symmetric about the origin.
5. To plot, calculate some points:
- $x=-2$, $y=2(-2)^{3}=2(-8)=-16$
- $x=-1$, $y=2(-1)^{3}=-2$
- $x=0$, $y=0$
- $x=1$, $y=2(1)^{3}=2$
- $x=2$, $y=2(2)^{3}=16$
6. The graph is steep and passes through these points, showing the cubic growth scaled by 2.
Final answer: The graph of $y=2x^{3}$ is a cubic curve passing through the origin, increasing steeply for positive $x$ and decreasing steeply for negative $x$.
Cubic Graph C474Fa
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