Math Problem Statement
let f(x)= - 3 (x-1)^2+4 and g(x) be the function graphed below.
Which statement is a true comparison of the properties of f(x) and g(x)? A. The graph of g(x) has a lower maximum value but a higher y-intercept value than the graph of f(x). B. The graph of g(x) has a higher maximum value and a higher y-intercept value than the graph of f(x). C. The graph of g(x) has a lower maximum value and a lower y-intercept value than the graph of f(x). D. The graph of g(x) has a higher maximum value but a lower y-intercept value than the graph of f(x).
Solution
To determine the correct comparison between the properties of and , we need to analyze the properties of and then compare it to the function based on its graph (which you would need to provide if it's not described).
Step 1: Analyze
This is a quadratic function in vertex form, , where:
Properties of :
- Vertex: The vertex of is , which is the maximum point since (negative, meaning the parabola opens downwards).
- Maximum value: 4 (since , the maximum y-value of is 4).
- Y-intercept: To find the y-intercept, set : So the y-intercept of is .
Step 2: Analyze based on the graph
Without the graph of , I'll outline how to make the comparison:
- Maximum value of : From the graph, identify the highest point on .
- Y-intercept of : Find where crosses the y-axis.
Step 3: Compare properties of and
Using the information you gather from the graph of , compare the following:
- Maximum value of vs. 's maximum value (4).
- Y-intercept of vs. 's y-intercept (1).
Answer selection:
Once you have this information, you can choose the correct statement based on whether 's maximum and y-intercept are higher or lower compared to .
- If has a lower maximum and higher y-intercept than , select A.
- If has a higher maximum and higher y-intercept than , select B.
- If has a lower maximum and lower y-intercept than , select C.
- If has a higher maximum and lower y-intercept than , select D.
Would you like to provide more details about the graph of , or should I clarify anything else?
Here are 5 questions to further explore:
- How do we know the direction of a parabola based on its equation?
- What impact does the value of in have on the graph?
- How do you calculate the vertex of a quadratic function in standard form?
- What does the y-intercept represent in a function graph?
- How do you determine if a function has a maximum or minimum?
Tip: In vertex form, the vertex immediately gives you the maximum or minimum point, making it easier to analyze quadratic functions.
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Math Problem Analysis
Mathematical Concepts
Quadratic Functions
Vertex Form
Graph Interpretation
Formulas
f(x) = a(x - h)^2 + k
f(0) = -3(0 - 1)^2 + 4
Theorems
Vertex Form of Quadratic Functions
Suitable Grade Level
Grades 9-11
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