The problem asks to graph the function $f(x) = x^3 - 4$.

AnalysisGraphing FunctionsCubic FunctionsTransformationsVertical Translation
2025/3/6

1. Problem Description

The problem asks to graph the function f(x)=x34f(x) = x^3 - 4.

2. Solution Steps

To graph the function f(x)=x34f(x) = x^3 - 4, we can analyze it as a transformation of the basic cubic function y=x3y = x^3. The given function is a vertical translation of the basic cubic function by 4-4 units. This means we shift the graph of y=x3y = x^3 downward by 4 units.
First, let's find some key points on the graph of y=x3y = x^3:
- When x=0x = 0, y=03=0y = 0^3 = 0.
- When x=1x = 1, y=13=1y = 1^3 = 1.
- When x=1x = -1, y=(1)3=1y = (-1)^3 = -1.
- When x=2x = 2, y=23=8y = 2^3 = 8.
- When x=2x = -2, y=(2)3=8y = (-2)^3 = -8.
Now, apply the vertical translation by subtracting 4 from each yy-coordinate:
- When x=0x = 0, f(0)=034=4f(0) = 0^3 - 4 = -4.
- When x=1x = 1, f(1)=134=14=3f(1) = 1^3 - 4 = 1 - 4 = -3.
- When x=1x = -1, f(1)=(1)34=14=5f(-1) = (-1)^3 - 4 = -1 - 4 = -5.
- When x=2x = 2, f(2)=234=84=4f(2) = 2^3 - 4 = 8 - 4 = 4.
- When x=2x = -2, f(2)=(2)34=84=12f(-2) = (-2)^3 - 4 = -8 - 4 = -12.
Thus, the key points on the graph of f(x)=x34f(x) = x^3 - 4 are: (0,4)(0, -4), (1,3)(1, -3), (1,5)(-1, -5), (2,4)(2, 4), and (2,12)(-2, -12).
The graph will look like a cubic function that has been shifted down by 4 units.

3. Final Answer

f(x)=x34f(x) = x^3 - 4

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