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Answer:
19 4/5
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:  [c, ∞)
<u>Step-by-step explanation:</u>
Range is all of the y-coordinates.
The parabola is upright (∪) because the coefficient of x² is positive.
So the minimum value is at "c" and the parabola tends toward infinity.
Range: y ≥ c    <em>in Interval Notation</em>: [c, ∞)