Answer:
the domain for this parabola is all real numbers
If you find a first you will be able to find b a little faster then it is super easy after that you got this!
Given the function:

The function can also be written as:

The range of the function will be all set of y values.
To find the range, let's graph the function below.
We have:
From the graph above, all possibe y values range from 0 to infinity.
Therefore, the range of the function is from zero infinity.
In interval notation:
Range = (0, +∞)
ANSWER:
4. (0, +∞)
As a fraction: 287/100
As a mixed number: 2 87/100
_____
Remember, "%" means exactly the same thing as "/100".
Answer: 1520 downloaded's
Step-by-step explanation:
$0.25 divided by $380 = 1520
1520 x $0.25 = $380