Answer:
>3 means any number on the number line larger than 3, so the answer is yes
Answer: Your answer is the third one, a function assigns to each input exactly one output.
If you have a true function, there will only be one output for each input, if you had more than one, it isn't a function.
X+y=57
y=x+15
x+x+15=57
2x=42
x=21
y=21+15
y=36
Answer: B
just make the included side equal
