Math Problem Statement
Solution
The function provided in the question is:
Let's go over the questions one by one.
-
At which x-intercept(s) does the graph cross the x-axis?
- From the image, the correct answer selected is .
- This means the graph crosses the x-axis at these values of .
-
At which x-intercept(s) does the graph touch the x-axis and turn around?
- The answer chosen is "There are no x-intercepts at which the graph touches the x-axis and turns around."
- This is correct because in a cubic function, like the one given, unless there is a double root, the graph usually crosses the x-axis without turning around.
-
Find the y-intercept.
- The y-intercept occurs when . Plugging into :
- The y-intercept is , which matches the answer provided in the image.
-
Determine whether the graph has y-axis symmetry, origin symmetry, or neither.
- The selected answer is currently blank.
- To check for symmetry:
- Y-axis symmetry: This happens if , but here , so it doesn’t have y-axis symmetry.
- Origin symmetry: This happens if . Checking this, we can see it doesn't hold either.
- Therefore, the correct answer is "neither".
Would you like more details on any specific part?
Here are 5 related questions:
- How do you find the x-intercepts of a polynomial function?
- What does it mean if a graph "turns around" at an intercept?
- How can you algebraically check if a graph has symmetry?
- How does the degree of a polynomial affect the shape of its graph?
- Why is the y-intercept always found when ?
Tip:
For polynomials, the sign of the leading coefficient and the degree can give you an idea of the end behavior of the graph.
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Math Problem Analysis
Mathematical Concepts
Polynomial Functions
Intercepts
Symmetry
Formulas
y = f(x)
x-intercepts: solve f(x) = 0
y-intercept: f(0)
Symmetry: y-axis: f(-x) = f(x), origin: f(-x) = -f(x)
Theorems
Polynomial root theorem
Symmetry properties in algebra
Suitable Grade Level
Grades 10-12
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