Which of the following is the image of dafter a rotation of 90° about the origin
(-2,1)
(2.1)
(-1.-2)

This answer is A I think

The answer is

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?