Algebra-1

Question Analysis
This question assesses the ability to determine the end behavior of a polynomial by examining its leading term and coefficient.

Key Concept Explanation
The end behavior of a polynomial is governed by the leading term, which is the term with the highest degree. The sign of the leading coefficient and the parity of the degree (even or odd) determine the direction of the end behavior.

Step-by-step Solution
1. Identify the leading term: The leading term is .
2. Determine the degree: The degree is 7, which is odd.
3. Determine the sign of the leading coefficient: The leading coefficient is 9, which is positive.
4. Apply the end behavior rule for an odd degree and a positive leading coefficient: As

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