Answer:
domain:

range:
![( - \infty ,4]](https://tex.z-dn.net/?f=%28%20-%20%20%5Cinfty%20%2C4%5D)
equation:

Step-by-step explanation:
domain is all X values and the X values will extent till infinity in both negative and positive direction, the range is all y values and the y value will go from negative infinity all the way to 4, where the graph stops.
Answer:
->a is 2
->b is one eight
Step-by-step explanation:
one fourth dividen in two becomes one eight.
Are you sure you wrote it right because it should be -42.99
Show me a picture of the equation