SAT Math Practice Question #22022 - SATify | SATify

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SAT Math Practice Question #22022 - SATify | SATify

#22022

complex numbers

algebra

sequences and series

Recurrence Relations

hard

120 sec

Let $f (n) = i^{n} + (- i)^{n}$ , where $i = - 1$ . What is $f (2022)$ ?

A.

$- 2$

B.

$- 1$

C.

$0$

D.

$1$

E.

$2$