Math Problem Statement
Solution
This question involves analyzing the graphs of two functions and finding various properties of them. Let's break down the questions based on the graph and the function given.
Question Breakdown:
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Coordinates of E (4.1):
- Point E is the y-intercept of both the parabola and the line .
- To find the coordinates of E, we'll need to substitute into the equation of to find the y-coordinate. The x-coordinate will be because it's the y-intercept.
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Coordinates of A (4.2):
- A is the x-intercept of the function , which means we set and solve for .
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Reflection of C in the axis of symmetry (4.3):
- The point M is the reflection of C in the axis of symmetry of the parabola. The axis of symmetry of is the vertical line passing through the vertex of the parabola, i.e., . To find M, we'll reflect the coordinates of C across this axis.
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Equation of line g (4.4):
- From the graph, we can see that line is a straight line with a slope and y-intercept . We can find the equation by determining these two values from the graph.
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Equation of the inverse of g (4.5):
- Once we have the equation of line , the inverse can be found by swapping the roles of and , and solving for .
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For which values of will (4.6):
- This asks for the values of where the composition is less than or equal to 0. This will involve substituting into , solving for the x-values where the result is less than or equal to 0.
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Math Problem Analysis
Mathematical Concepts
Functions
Quadratic Equations
Linear Functions
Reflection
Inverse Functions
Function Composition
Formulas
y = mx + c
g(f(x))
Reflection across axis of symmetry
Theorems
Symmetry of quadratic functions
Properties of inverse functions
Linear function properties
Suitable Grade Level
Grades 10-12
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