This is a quadratic equation, which is also a polynomial. Polynomials all have the domain (-infinity, +infinity).
As for the range: You can see from the graph that the smallest y-value is -2. Thus, the range is [-2, infinity).
Answer:
9/4<x≤4 or all real numbers
Step-by-step explanation:
I'm not sure what you are asking
Attached the solution and work.
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