Answer:
i think 4
Step-by-step explanation:

The domain is the set of all possible values of independent variable I.e of x. The range is the complete set of all possible resulting values of the dependent variable of i.e of y
Answer:
The proportion is 2/7 = 12/42
x = 12
The answer is 12
Answer:
10x+15
Step-by-step explanation:
5 x 2x=10x
5x3=15
Undefined and Undefined
Since the equation is x = 4, there is no y-intercept as x will never equal 0.
Additionally, since the equation is x = 4, there is no change in x value and as such the slope can not be determined.