The first four terms of a sequence are shown below:

9, 5, 1, -3

Which of the following functions best defines this sequence?

f(1) = 9, f(n + 1) = f(n) - 4; for n ≥ 1

f(1) = 9, f(n + 1) = f(n) + 4; for n ≥ 1

f(1) = 9, f(n + 1) = f(n) - 5; for n ≥ 1

f(1) = 9, f(n + 1) = f(n) + 5; for n ≥ 1

Question

The first four terms of a sequence are shown below:

9, 5, 1, -3

Which of the following functions best defines this sequence?

f(1) = 9, f(n + 1) = f(n) - 4; for n ≥ 1

f(1) = 9, f(n + 1) = f(n) + 4; for n ≥ 1

f(1) = 9, f(n + 1) = f(n) - 5; for n ≥ 1

f(1) = 9, f(n + 1) = f(n) + 5; for n ≥ 1

anonymous · Answer

first given function defines the sequence...

anonymous · Answer

Really? You can read the little question mark symbols?

anonymous · Answer

I was going to post them all individually with the equation thingy...

But thanks!

anonymous · Answer

yes i could read..