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.
Answer:
For every pound of candy, the teacher spent $2
Step-by-step explanation:
The answer is A) 6. You are trying to have f(x) be equal to 23 meaning you have to set them equal to eachother. 3x+5=23.
Hope that helps.
The answer would be around 4.5 or 4.6