Question

Help plz !!!! I don’t know it

Answer 1

Answer:

D

Step-by-step explanation:

an = 7 - 3(n - 1)

    = 7 -3n - 1 *(-3)

    = 7 - 3n + 3              {Combine like terms}

    = 7 + 3 - 3n

    = 10 - 3n

   = -3n + 10

Answer 2

Answer:

D

Step-by-step explanation:

I think this is right...

First, you have to distribute -3 by order of operations

you should get 7 - 3n + 3.

Simplify and get f(n) = -3n+10