Which formula can be used to describe the sequence?
O f(x + 1) = f(x)
O f(x + 1) = - f(x)
O f(x) = f(x + 1)
O f(x) = - 3 f(x + 1)

Which formula can be used to describe the sequence O fx 1 fx O fx 1 fx O fx fx 1 O fx 3 fx 1 class=