Answer:
See proof below
Step-by-step explanation:
We have to verify that if we substitute
in the equation
the equality is true.
Let's substitute first in the right hand side:

Now we use the distributive laws. Also, note that
(this also works when the power is n-2).



then the sequence solves the recurrence relation.
Answer:

Step-by-step explanation:

100x+50= your answer
For example if 3 cavities are filled you would have to multiply 100(3)+50=350
I hope this helps!
Answer:
y-27=8·(x-3)
Step-by-step explanation: