Discuss the below:
Q1: Explain what the domain and range are of a function. Next, select an exercise between 13 and 36, inclusively. Find the domain of your selected function while showing your work, and explain the process.
f(x)=2x+1
Q2: Show how to solve it using the substitution method, and explain this process. Additionally, how do you know what the solution is when graphing a system of equations?
9x-2y= - 6
7x+8=y
Q3: Show how to solve it using the elimination method, and explain this process.
Y=5 - 4X
2X-3Y=13