Math Problem Statement
Solution
Given the function , let's analyze and find the answers for each part:
(a) Axis of Symmetry, Vertical/Horizontal Asymptotes
- Axis of Symmetry: This function does not have an axis of symmetry since it’s an odd root function, which means it doesn’t reflect symmetrically around any line.
- Vertical Asymptote: There is no vertical asymptote. The function is defined for all real values.
- Horizontal Asymptote: There is no horizontal asymptote either because as approaches infinity or negative infinity, also goes to infinity or negative infinity, respectively.
(b) Intervals of Increasing/Decreasing
To find intervals where the curve is increasing or decreasing, we need the first derivative:
-
Differentiate :
-
Sign of :
- For , , indicating the function is increasing.
- For , as well, so the function is also increasing for values less than 2.
- At , is undefined, but it doesn’t change the nature of the function since the values are still increasing on either side.
Conclusion: The function is increasing on .
(c) Maximum/Minimum Values or Inflection Points
- Since is always increasing, there are no local maximum or minimum points.
- To check for inflection points, we need the second derivative:
- Concavity:
- For , , indicating concave down.
- For , , indicating concave up.
- At , is undefined, so is an inflection point.
(d) Intervals of Concavity
- Concave Up:
- Concave Down:
(e) Sketch of
To sketch :
- The graph passes through
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Math Problem Analysis
Mathematical Concepts
Calculus
Function Analysis
Derivative
Concavity
Graph Sketching
Formulas
First derivative for finding intervals of increase/decrease: f'(x)
Second derivative for concavity: f''(x)
Theorems
Derivative test for increasing/decreasing functions
Concavity test using the second derivative
Inflection point analysis
Suitable Grade Level
Grades 11-12
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