Answer:
Not a function.
Step-by-step explanation:
There must only be one output per input but here we see the input 18 has two outputs ; 3 and 15 therefore this is not a function.
Answer:
Yes because there are no repeated dependent variables.
Step-by-step explanation:
Answer:
4x^2+6x+2
Step-by-step explanation:
Answer: 4r^2
Step-by-step explanation:
Answer: Left 2
Step-by-step explanation:
Move 2 units back which is left