Answer: C
Step-by-step explanation:
The best way to solve this is to replace the numbers and solve. The first number in an ordered pair is the x-value and the second is the y-value. So, you are replacing the X in each situation with the first number in these ordered pairs and seeing if the answer is what is the second value.
For A, you get (-2)(1)-1. This equals -3. This is not correct.
For B, you have -1+5, which is 6. This is also incorrect
For C, you have -1+2, which is 1. For the second ordered pair, 3+2. This is also correct.
