Answer:
Function: 
Amount earned for 10 hours of work: 
Step-by-step explanation:
Let be "x" the number of hours worked on a project and "y" the total amount Luigi charges for a project.
Based on the data given in the exercise, you can identify that:
- $140 is a fixed amount.
- For each hour worked on the project, Luigi charges $25. This can be expressed as:

Then, the total amount he charges for a project is the sum of $140 and
. This can be represented with the following function:

To calculate the amount of money earned for 10 hours of work, you must substitute
into the function and evaluate. Then:

X=7 over 8 or 0.875 is the answer
Answer:
y= -1+- i √79/4
Step-by-step explanation: Here is the answer ^^
3.option a (-8,2)
4.option b (5,4)
You have to add all the numbers then leave one and subtract it