Math Problem Statement
Starting with the graph of a basic function, graph the following function using the techniques of shifting, compressing, stretching, and/or reflecting. Find the domain and range of the function. g left parenthesis x right parenthesis equals left parenthesis x plus 4 right parenthesis cubed minus 6
Solution
To graph the function , we will begin by identifying the graph of the basic function, which is . Then, we apply the appropriate transformations (shifting, stretching, compressing, and/or reflecting).
1. Basic Function:
The graph of is a cubic function with:
- An inflection point at the origin ,
- The curve passing through , , and ,
- The graph increases to the right of the origin and decreases to the left of the origin.
2. Apply Transformations to
We can break this down into two transformations:
- Horizontal Shift: The term means the graph shifts 4 units to the left.
- Vertical Shift: The term at the end indicates the graph shifts 6 units downward.
Thus, the graph of is shifted left by 4 units and then down by 6 units to obtain the graph of .
3. Domain and Range
- The domain of the function is all real numbers because a cubic function is defined for all :
- The range of the function is also all real numbers because the cubic function tends towards as and tends towards as :
Summary of Transformations:
- The graph of shifts 4 units left and 6 units down to form the graph of .
Would you like to see the graph, or do you have any questions?
Here are 5 related questions to expand on the topic:
- How do horizontal and vertical reflections affect the graph of a cubic function?
- How would compressing or stretching the function vertically affect its shape?
- What happens to the domain and range if we add an absolute value to ?
- How would adding or subtracting different constants inside the cubic term affect the transformation?
- How would the graph change if ?
Tip: Always apply horizontal shifts first before vertical shifts when graphing transformations.
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Math Problem Analysis
Mathematical Concepts
Algebra
Functions
Transformations
Cubic Functions
Formulas
g(x) = (x + 4)^3 - 6
f(x) = x^3
Theorems
Transformation Theorem for Function Shifts
Suitable Grade Level
Grades 9-11
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