Answer:
D
Step-by-step explanation:
Hello There!
In order for a relation to be a function the x value cannot repeat
In answer choice A the x value 3 repeats therefore a cannot be the answer
In answer choice B the x value -1 repeats therefore B cannot be the answer
In answer choice C the x value -1 repeats therefore C cannot be the answer
In answer choice D none of the x values repeat so d is your answer
Answer:
hope u find ur answer, just trying to get points.
Step-by-step explanation:
Answer:
The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other.
Step-by-step explanation: