Firstly we are looking for two variables x,y so that we need two formulas .
the second formula is missing
Answer:
7x-2
Step-by-step explanation:
9(x+3)-(2x+5)
9x+3 -2x -5
7x-2
Answer:
no
Step-by-step explanation:
x= 1, 2, 3, 4
y= -2, 1, 0, 2
y is changing randomly you won't be able to tell what number is next
Answer:
D : All real numbers
R : (-∞,∞)
Step-by-step explanation:
When your x is in a set of absolute value sign, any number can work for x.
As with Domain, you can do the same with range. In this case, you can go from both positive infinity and negative infinity and you will always get a real number solution.
