Pregunta
Determine whether the function is aven, odd, or neither Then determine whether the function's graph is symrnetric with respedt to the y-adis, the origin, or neither \( g(x)=x^{6}-4 x \) Determine whether the function is even, odd, or neither Choose the corred anewer below 0 odd 0 neither even
Ask by Knight Edwards. in the United States
Jan 25,2025
Solución de tutoría real
Respuesta verificada por el tutor
Responder
The function \( g(x) = x^{6} - 4x \) is **neither even nor odd**. Its graph has **no symmetry** with respect to the y-axis or the origin.
Solución
Let's analyze the function \( g(x) = x^{6} - 4x \) to determine its parity and the symmetry of its graph.
### 1. Determine if the Function is Even, Odd, or Neither
**Definitions:**
- **Even Function:** \( f(-x) = f(x) \) for all \( x \).
- **Odd Function:** \( f(-x) = -f(x) \) for all \( x \).
**Compute \( g(-x) \):**
\[
g(-x) = (-x)^6 - 4(-x) = x^{6} + 4x
\]
**Compare \( g(-x) \) with \( g(x) \) and \( -g(x) \):**
- **Even Check:**
\[
g(-x) = x^{6} + 4x \neq g(x) = x^{6} - 4x
\]
So, \( g(x) \) is **not even**.
- **Odd Check:**
\[
-g(x) = -x^{6} + 4x \neq g(-x) = x^{6} + 4x
\]
So, \( g(x) \) is **not odd**.
**Conclusion:** The function \( g(x) = x^{6} - 4x \) is **neither** even nor odd.
### 2. Determine the Symmetry of the Graph
- **Symmetry with Respect to the y-axis:** This occurs if the function is even. Since \( g(x) \) is not even, there is **no y-axis symmetry**.
- **Symmetry with Respect to the Origin:** This occurs if the function is odd. Since \( g(x) \) is not odd, there is **no origin symmetry**.
**Conclusion:** The graph of \( g(x) \) has **no symmetry** with respect to the y-axis or the origin.
### Final Answer
- **Parity:** Neither even nor odd.
- **Graph Symmetry:** Neither symmetric with respect to the y-axis nor the origin.
**Option Selected:** Neither
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The Deep Dive
To determine whether the function \( g(x) = x^6 - 4x \) is even, odd, or neither, we can evaluate \( g(-x) \). Plugging in -x gives us \( g(-x) = (-x)^6 - 4(-x) = x^6 + 4x \). Since \( g(-x) \neq g(x) \) and \( g(-x) \neq -g(x) \), the function is neither even nor odd. Hence, the correct answer is "neither." Now, for its graph symmetry: a function that is neither even nor odd will not exhibit symmetry about the y-axis (even) or the origin (odd). Thus, the graph of \( g(x) \) is neither symmetric about the y-axis nor the origin.
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