Answer:
415
____
727
Step-by-step explanation:
Answer:
1. Not a function.
2. This is a function.
3. This is a function.
Step-by-step explanation:
1. 13 maps on to 4 and -4 so not a function.
2 and 3 - these both pass the vertical line test so they are functions.
Start at -4 and go to the right 6 times on the number line and you should end up with 2
×=8 you're so welcome. :)