Answer:

Step-by-step explanation:
The domain is the span of x-values covered by the graph.
From the graph, we can see that the x-values covered by the graph is all values to the left of zero including zero.
Therefore, the domain is all x-values less than or equal to 0:

Further notes:
In interval notation, this is:
![(-\infty,0]](https://tex.z-dn.net/?f=%28-%5Cinfty%2C0%5D)
No because it is equal to -7.5 I think
.2 x 150,000 would be the way to find the employee's salary because 20% = .2
Answer:
50 people
Step-by-step explanation:
-An experimental unit is any physical entity or person or animal that can be randomly assgned to a treatment.
-Such a unit is usually referred to as a unit of statistical analysis.
-Both control and actual experimental units are units of statistical analysis despite receiving different treatments.
-Hence, the experimental units of the study is 50 people.
Answer:
6xy^3 +12xy^2 z
Step-by-step explanation:
3xy^2 (2y+4z)
Multiply
3xy^2 * 2y + 3xy^2 *4z
common factors
3xy^3 +3xy^2 *4z
Multiply
6xy^3 +12xy^2 z