## Graph of Cubic Parent Function

### The graph of a cubic parent function, also known as the parent cubic function, is the simplest form of a cubic equation

The graph of a cubic parent function, also known as the parent cubic function, is the simplest form of a cubic equation. It can be represented by the equation f(x) = x^3.

To graph the cubic parent function, we need to understand its key characteristics and how they affect the shape and position of the graph:

1. Y-intercept: The y-intercept occurs when x = 0. Substituting x = 0 into the equation, we get f(0) = 0^3 = 0. Therefore, the y-intercept is (0, 0).

2. Symmetry: The cubic parent function is symmetric about the origin (0, 0), meaning that if a point (x, y) lies on the graph, then the point (-x, -y) also lies on the graph.

3. Increasing and decreasing intervals: The cubic parent function does not have specific intervals where it is strictly increasing or decreasing. It continuously increases from negative infinity to positive infinity.

4. End behavior: As x approaches negative infinity, the function approaches negative infinity. As x approaches positive infinity, the function approaches positive infinity.

5. Shape: The graph of the cubic parent function is a curve that may resemble the shape of the letter “S”. It starts in the third quadrant, passes through the origin, and then continues into the first quadrant.

By plotting a few points and using these characteristics, we can sketch the graph of the cubic parent function.

A good strategy is to choose various x-values, calculate f(x) for each x, and graph the corresponding points. For example:

– For x = -2, f(-2) = (-2)^3 = -8. So we have the point (-2, -8).

– For x = -1, f(-1) = (-1)^3 = -1. So we have the point (-1, -1).

– For x = 0, f(0) = 0^3 = 0. So we have the y-intercept (0, 0).

– For x = 1, f(1) = (1)^3 = 1. So we have the point (1, 1).

– For x = 2, f(2) = (2)^3 = 8. So we have the point (2, 8).

Plotting these points, we can see that the graph starts in the third quadrant, passes through the origin, and moves towards the first quadrant, forming a curve.

The resulting graph of the cubic parent function resembles an “S” shape, symmetric about the origin. It extends indefinitely in each direction, without touching or crossing the x-axis.

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