Math Problem Statement
Solution
The image shows a piecewise-defined function question involving a graph. To determine the correct piecewise function, we must analyze the behavior of the graph in different intervals of .
Analysis of the Graph:
-
First Interval (-3 ≤ x < 1):
- The line starts at , and ends at , .
- The slope of this line is , indicating the equation of the line is .
-
Second Interval (2 < x ≤ 4):
- This segment starts at , and ends at , .
- The slope of this line is , and using the point-slope form, the equation is .
Piecewise Function:
- For , the equation is .
- For , the equation is .
This matches option B.
Conclusion:
The correct answer is B.
Would you like further explanation or have any other questions?
Here are 5 related questions:
- How is the slope calculated between two points?
- What is the point-slope form of a linear equation?
- How do you determine the equation of a line from a graph?
- What does it mean for a function to be piecewise-defined?
- How can you check continuity for a piecewise function?
Tip: Always check for open and closed intervals when dealing with piecewise functions to avoid domain conflicts.
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Math Problem Analysis
Mathematical Concepts
Piecewise Functions
Linear Equations
Slope of a Line
Formulas
Slope formula: m = (y2 - y1) / (x2 - x1)
Equation of a line: y = mx + b
Point-slope form: y - y1 = m(x - x1)
Theorems
Equation of a straight line theorem
Continuity of piecewise functions
Suitable Grade Level
Grades 9-11