Step-by-step explanation:
2a -5a +8a.
2a +8a -5a
10a -5a = 5a
14-7=7
<em>Answer=5a+7</em>
Pretty sure it’s B but I don’t rlly know
I can’t either Stay strong
Answer:
The first one is not a function
The second is a function
Third not a function
Fourth is a function
Step-by-step explanation: