Algebra-2

Question Analysis
This question tests the student's understanding of vertical translations of functions, specifically shifting a function upward.

Key Concept Explanation
Vertical translation involves shifting the graph of a function along the y-axis. Shifting up by units is represented by adding to the entire function.

Step-by-step Solution
1. Identify the parent function:
2. Determine the direction and distance of the shift: 15 units upward
3. Apply the rule for vertical translation:

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