Math Problem Statement
Solution
The uploaded image contains a mathematical function and a corresponding blank chart for analyzing its properties. The function given is:
Let's go over the different aspects of this function step-by-step.
1. Parent Function:
The parent function is , which is the square root function.
2. Transformations:
- Horizontal Stretch/Compression and Reflection: The expression inside the square root is . The negative sign inside reflects the graph across the y-axis, and the factor of 2 causes a horizontal compression by a factor of .
- Vertical Stretch/Compression and Reflection: The leading coefficient of -3 reflects the graph vertically and stretches it by a factor of 3.
- Vertical Translation: The constant term translates the graph 1 unit upwards.
3. Domain:
To find the domain, we need the expression inside the square root to be non-negative: Thus, the domain is .
4. Range:
Since the graph is reflected vertically and shifted upwards by 1 unit, the range is .
5. X-intercepts:
To find the x-intercepts, set and solve for : Thus, the x-intercept is .
6. Increasing/Decreasing Intervals:
- The function is decreasing throughout its domain because of the negative leading coefficient.
- There are no increasing intervals.
7. End Behavior:
As , .
Would you like me to plot the graph of this function on the grid and complete other parts of the table? If so, I can do that for you! Let me know if you need any further details.
Here are 5 questions related to this:
- How does a vertical reflection affect the range of a function?
- Why is the domain restricted to non-positive numbers for this function?
- What impact does the horizontal compression by 1/2 have on the graph of the square root function?
- How would the function behave if there were no negative sign in front of the square root?
- Why does the vertical shift affect the end behavior of the function?
Tip: When dealing with square root functions, always check the inside expression to determine valid x-values (domain).
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Math Problem Analysis
Mathematical Concepts
Algebra
Transformations
Square Root Function
Domain and Range
X-Intercepts
Increasing/Decreasing Intervals
End Behavior
Formulas
f(x) = -3√(-2x) + 1
Domain condition: -2x ≥ 0
X-intercepts: Set f(x) = 0 and solve
End behavior: As x → -∞, f(x) → -∞
Theorems
Reflection across the y-axis
Vertical stretch and reflection
Horizontal compression
Suitable Grade Level
Grade 10-12