Algebra-2

Question Analysis
This question evaluates the student's ability to apply a vertical stretch to a cubic function. The problem provides a function and asks for the new function after a vertical stretch by a given factor.

Key Concept Explanation
A vertical stretch of a function by a factor of (where ) results in the new function . In this case, the original function is and the stretch factor is 4.

Step-by-step Solution
1. Identify the original function:

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