ermine the intervals on which the graph of y f(x) = 9x² + x4 concave up or concave down, and find the points of inflection. vide solutions in the form (*, *). Use the symbol ∞ for infinity, U for combining intervals, and an appropriate type of enthesis "(", ")", "[", or "]", depending on whether the interval is open or closed. Enter Ø if the interval is empty. exact values for all responses.
ermine the intervals on which the graph of y f(x) = 9x² + x4 concave up or concave down, and find the points of inflection. vide solutions in the form (*, *). Use the symbol ∞ for infinity, U for combining intervals, and an appropriate type of enthesis "(", ")", "[", or "]", depending on whether the interval is open or closed. Enter Ø if the interval is empty. exact values for all responses.
Chapter3: Polynomial Functions
Section3.2: Polynomial Functions Of Higher Degree
Problem 3ECP
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![Determine the intervals on which the graph of y = f(x) is concave up or concave down, and find the points of inflection.
f(x) = 9x² + x4
Provide solutions in the form (*, *). Use the symbol ∞ for infinity, U for combining intervals, and an appropriate type of
parenthesis "(", ")", "[", or "]", depending on whether the interval is open or closed. Enter Ø if the interval is empty.
Use exact values for all responses.
f is concave up when x E
f is concave down when x E](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1a5bf8ad-4965-4e63-b21c-5c2ad3e92a8d%2F89732f35-5965-40bf-bd87-6f1fd4b08583%2Fj3cu1u7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Determine the intervals on which the graph of y = f(x) is concave up or concave down, and find the points of inflection.
f(x) = 9x² + x4
Provide solutions in the form (*, *). Use the symbol ∞ for infinity, U for combining intervals, and an appropriate type of
parenthesis "(", ")", "[", or "]", depending on whether the interval is open or closed. Enter Ø if the interval is empty.
Use exact values for all responses.
f is concave up when x E
f is concave down when x E
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