Question

Need math help (recursive formula problem)

Answer 1

The first four terms of a sequence are shown below.
7, 4, 1, -2
Which of the following functions best defines this sequence? (4 points)
Select one:
a. f(1) = 7, f(n + 1) = f(n ) + 3; for n ≥ 1
b. f(1) = 7, f(n + 1) = f(n ) - 3; for n ≥ 1
c. f(1) = 7, f(n + 1) = f(n ) - 4; for n ≥ 1
d. f(1) = 7, f(n + 1) = f(n ) + 4; for n ≥ 1

Answer 2

I think that it is b
But possibly c

Answer 3

It is b, but can you tell me why?

Answer 4

I'm not dumb haha, i just wanted to make sure I was right (I havnt done simple algebra in 4 years)

Answer 5

Its subtracting 3 from the previous

Answer 6

Could you help me on one more? @adam.bloedel

Answer 7

and thanks

Answer 8

Sure, make a new question, pop my name in the comments.

Answer 9

ok, thanks