Math Problem Statement
Find f(x) and g(x) such that
h(x)=(f◦g)(x).
h(x)=(3−9x)2
Suppose that
g(x)=3−9x.
Solution
To find and such that , we use the definition of composition:
We are given:
Step 1: Substitute into
Thus:
Step 2: Identify where
Let . Then:
Final Answer:
- ,
- .
These satisfy the given composition .
Would you like a deeper explanation or a graph of these functions?
Here are 5 related questions to explore:
- What is the domain of and ?
- How does the composition of functions work conceptually?
- What are examples of other functions and their decompositions?
- How does this apply to real-world problems, such as nested relationships?
- Can we reverse the process to find given and ?
Tip: Always check the domain and range of each function in composition problems to ensure they are compatible.
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Math Problem Analysis
Mathematical Concepts
Function Composition
Algebra
Quadratic Functions
Formulas
h(x) = (f◦g)(x)
f(g(x))
f(u) = u²
Theorems
Composition of Functions
Suitable Grade Level
Grades 9-11