1. The problem statement, all variables and given/known data Find a formula for the nth term that determines each sequence. 2. Relevant equations 3. The attempt at a solution c) 6, 5, 4, 3 I said this one was n-1 , but apparently its 7-n . can't it be both? How the heck do you tell which one it is? f) -3, -6, -12, -24 I said this one was -2n But somehow its -3(2)^n , i dont get how its not -2n, its just being multiplied by 2 .. Anyone?