please help it's due today, And please if you don't know the answers don't put any links or apps. And if you do know the answer plz help me.I'll mark as brainliest

Answer:
B (1): iii
B(2): ii
Step-by-step explanation:
B(1): answer choice 3 is the only answer increasing at a constant rate.
B(2): answer choice two is the only answer not increasing at a constant rate