Analytical Applications of Differentiation
How can you find the points of inflection of a function?
Evaluate the fourth derivative at a point and check its sign
Evaluate the second derivative at a point and check its sign
Evaluate the third derivative at a point and check its sign
Evaluate the first derivative at a point and check its sign
What is the domain of a polynomial function?
All non-negative real numbers
All positive real numbers
All negative real numbers
All real numbers
What are the seven steps involved in sketching the graph of a function to determine its key features?
- Determine if there are any discontinuities, 2. Find the domain, 3. Find the x- and y-intercepts, 4. Find the extrema of the function, 5. Find the symmetry of the function, 6. Find the points of inflection and concavity, 7. Find the asymptotes.
- Find the domain, 2. Determine if there are any discontinuities, 3. Find the x- and y-intercepts, 4. Find the symmetry of the function, 5. Find the extrema of the function, 6. Find the points of inflection and concavity, 7. Find the asymptotes.
- Find the extrema, 2. Determine the domain, 3. Find the points of inflection, 4. Determine if there are any discontinuities, 5. Find the x- and y-intercepts, 6. Find the symmetry of the function, 7. Find the asymptotes.
- Determine if there are any discontinuities, 2. Find the domain, 3. Find the extrema, 4. Find the symmetry of the function, 5. Find the x- and y-intercepts, 6. Find the points of inflection, 7. Find the asymptotes.
What does the second derivative test help determine about a critical point?
The x-coordinate of the critical point
The y-coordinate of the critical point
The slope of the tangent line
The direction of concavity
What key feature of a function can be determined by analyzing the sign of the first derivative at a critical point?
Local minimum
Local maximum
Symmetry
Point of inflection
What does the first derivative test help determine about a critical point?
The x-intercept
The point of inflection
The domain of the function
The local maximum or minimum
How can you determine if a function has even symmetry?
Replace all x's in the function with a -x, and if the function remains unchanged, it has even symmetry.
Replace all x's in the function with a -x, and if the function becomes its negative, it has even symmetry.
Evaluate the second derivative at a point, and if it equals zero, the function has even symmetry.
Evaluate the first derivative at a point, and if it equals zero, the function has even symmetry.

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What are the key features of a function that can be determined by drawing its graph and its derivative?
Domain and y-intercepts
Extrema and asymptotes
Discontinuities and extrema
Symmetry and points of inflection
What does it mean if a function has no points of inflection?
It has no local extrema
It is a linear function
It has no critical points
It is not continuous
What type of symmetry does the function have?
Odd symmetry
Horizontal symmetry
No symmetry
Even symmetry