Answer:
It is a function
Step-by-step explanation:
The Vertical line test
Draw a vertical line. If it touches the graph one time, it's a function.
Answer: 10.63
Step-by-step explanation: 8.1 + 2.53
Step-by-step explanation:
One's digit of N can be 2 or 7.
Answer: 4/18
Step-by-step explanation: