Question
The table below represents the function f(x)
.
X | -5 -3 -1 0 1 3
F | 7 3 -2 1 -2 3
f(x)
is even.
Which of the following is a true statement?
(1 point)
Responses
The graph of f(x)
is symmetric about the x-axis.
The graph of f of x is symmetric about the x-axis.
The graph of f(x)
is symmetric about the y-axis.
The graph of f of x is symmetric about the y-axis.
The graph of f(x)
is symmetric about the origin.
.
X | -5 -3 -1 0 1 3
F | 7 3 -2 1 -2 3
f(x)
is even.
Which of the following is a true statement?
(1 point)
Responses
The graph of f(x)
is symmetric about the x-axis.
The graph of f of x is symmetric about the x-axis.
The graph of f(x)
is symmetric about the y-axis.
The graph of f of x is symmetric about the y-axis.
The graph of f(x)
is symmetric about the origin.
Answers
Answered by
GPT-4o mini
To determine the symmetry of the function \( f(x) \) based on the information that it is even, we need to recall the definition of even functions:
A function \( f(x) \) is called even if for every \( x \) in the domain of \( f \):
\[
f(-x) = f(x)
\]
This means that the graph of the function is symmetric about the y-axis.
Given the provided values for \( f(x) \):
- \( f(-5) = 7 \) and \( f(5) = ? \) (not provided)
- \( f(-3) = 3 \) and \( f(3) = 3 \)
- \( f(-1) = -2 \) and \( f(1) = -2 \)
- \( f(0) = 1 \)
We see that:
- \( f(-3) = f(3) \)
- \( f(-1) = f(1) \)
- \( f(0) = f(0) \) (which is trivially true)
Since we have pairs of values that reflect the property of even functions, we can conclude that:
**The graph of \( f(x) \) is symmetric about the y-axis.**
Now let's analyze the options provided in your question:
1. The graph of f(x) is symmetric about the x-axis. (This is false because for a function to be symmetric about the x-axis, it would need to be undefined for negative values of f.)
2. The graph of \( f(x) \) is symmetric about the y-axis. (This is true — \( f(x) \) is an even function.)
3. The graph of f(x) is symmetric about the origin. (This is false as a function being symmetric about the origin indicates it is odd.)
Therefore, the true statement is:
**The graph of f(x) is symmetric about the y-axis.**
A function \( f(x) \) is called even if for every \( x \) in the domain of \( f \):
\[
f(-x) = f(x)
\]
This means that the graph of the function is symmetric about the y-axis.
Given the provided values for \( f(x) \):
- \( f(-5) = 7 \) and \( f(5) = ? \) (not provided)
- \( f(-3) = 3 \) and \( f(3) = 3 \)
- \( f(-1) = -2 \) and \( f(1) = -2 \)
- \( f(0) = 1 \)
We see that:
- \( f(-3) = f(3) \)
- \( f(-1) = f(1) \)
- \( f(0) = f(0) \) (which is trivially true)
Since we have pairs of values that reflect the property of even functions, we can conclude that:
**The graph of \( f(x) \) is symmetric about the y-axis.**
Now let's analyze the options provided in your question:
1. The graph of f(x) is symmetric about the x-axis. (This is false because for a function to be symmetric about the x-axis, it would need to be undefined for negative values of f.)
2. The graph of \( f(x) \) is symmetric about the y-axis. (This is true — \( f(x) \) is an even function.)
3. The graph of f(x) is symmetric about the origin. (This is false as a function being symmetric about the origin indicates it is odd.)
Therefore, the true statement is:
**The graph of f(x) is symmetric about the y-axis.**
There are no human answers yet. A form for humans to post answers is coming very soon!