Algebra-2

Question Analysis
This question tests the student's ability to apply a horizontal stretch to an exponential function. The key is to understand that a horizontal stretch by a factor of 2 means the input is divided by 2.

Key Concept Explanation
A horizontal stretch by a factor of for a function results in the new function . In this case, .

Step-by-step Solution
1. Identify the given function:
2. Determine the stretch factor: 2 implies

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