Answer:

Step-by-step explanation:
when you have the same base and its times you can add the exponents
a² + a³ + a have exponents of 2+ 3 + 1 = 6
so its 
Answer:
y=3x+1
Step-by-step explanation:
With the table of values, only one function works for all three.
3(2)=6+1=7
3(3)=9+1=10
3(11)=33+1=34
3(20)=60+1=61
This is an exam! You are not supposed too cheat!
>:O