Math Problem Statement
Use the graph to find the indicated limits.
Step 1 of 3 :
Find limx→2−f(x).
x−10 −5 5 10 y−10 −5 5 10 Cartesian Coordinate PlaneThe horizontal axis is labeled with x. The horizontal axis contains 21 grid lines, starts at -10, and ends at 10; and the axis is labeled with the values: -10, -5, 5, 10.The vertical axis is labeled with y. The vertical axis contains 21 grid lines, starts at -10, and ends at 10; and the axis is labeled with the values: -10, -5, 5, 10.Piecewise GraphThe graph is made up of a set of different curves, defined over the 2 regions,for the curves: Left Curve and Right Curve.Region 1The region of the coordinate plane containing horizontal values to the left of the value 2 units right of the origin and all vertical values.Left CurveA solid curve is drawn with the equation f(x)=34x−2+4.Left Curve AsymptoteA dashed vertical line segment is drawn 2 units right of the vertical axis.Region 2The region of the coordinate plane containing horizontal values to the right of the value 2 units right of the origin and all vertical values.Right CurveA solid curve is drawn with the equation f(x)=12(x−2)⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯√2+3to the right of the endpoint Right Curve Endpoint.Right Curve EndpointAn open circle drawn 2 units right of and 3 units above the origin.
Answer
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Solution
We are tasked with finding the limit of as approaches 2 from the left-hand side, i.e., .
Key points to analyze:
- Left Curve (Region 1): This is the part of the graph that represents for values of less than 2.
- The equation of the left curve is given by .
- Right Curve (Region 2): The right side of the graph does not apply in this specific limit because we are interested in the behavior as , which means approaching 2 from the left side.
Step-by-step process:
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Equation of the left curve: As , we substitute in the function to analyze the behavior.
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Substitute into the expression: Therefore, the function becomes:
Thus, the limit of as approaches 2 from the left is:
Do you want details on why I evaluated this way or have any other questions?
Here are 5 related questions:
- What is the difference between left-hand and right-hand limits?
- How does the presence of an asymptote affect limits?
- What would be for this function?
- How do piecewise functions behave at points of discontinuity?
- What role do open and closed circles play on a graph?
Tip: Always check whether a graph has discontinuities or jumps when evaluating limits near critical points!
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Math Problem Analysis
Mathematical Concepts
Limits
Piecewise Functions
Left-Hand Limit
Formulas
f(x) = (3 / (4x - 2)) + 4
Theorems
Limit Theorem
Continuity and Discontinuity Theorems
Suitable Grade Level
Grades 11-12