Answer:
It's A.
Step-by-step explanation:
For every value of x there is one value of y - we can draw a vertical line through any value of x and it will pass through only one value of y.
Therefore it is a one-to-one function.
Answer:
(–4, 5) and (–2, 1)
Step-by-step explanation:
Answer:It'll be part B
Step-by-step explanation:
7n-13=5n+7
7n-5n=7+13
2n=20
n=20/2
n=10