Given the function , write the equation of the function after it is stretched vertically by a factor of 2. The new function is .
Answer & Analysis
Analysis
Question Analysis
This problem assesses the understanding of vertical stretches in polynomial functions.
Key Concept Explanation
A vertical stretch by a factor of can be represented as . If , the graph is stretched vertically; if , the graph is compressed vertically.
Step-by-step Solution
1. Identify the given function:
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