A parabola has its vertex at (3, -5) and opens upward. The range of this function is _________.
Answer & Analysis
Analysis
Question Analysis
This question tests the student's ability to determine the range of a quadratic function given the vertex and the direction it opens.
Key Concept Explanation
The range of a quadratic function depends on the vertex's y-coordinate (k) and the sign of the coefficient a. If a > 0, the parabola opens upward, and the range is .
Step-by-step Solution
1. Identify the vertex:
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