Alan will spend at most $30 on gifts. So far, he has spent $19. What are the possible additional amounts he will spend?
1 answer:
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Answer:
[-20.25;+∞).
Step-by-step explanation:
1) according to the properties of the given parabola the minimum is:
2) y₀=-20.25 means, the value -20.25 is minimum of the range, the maximum →+∞;
3) finally, the range y≥-20.25.