Raphael deposited $6,500 in an account that pays 4.25% interest, compounded annually. He left the money in the account for 4 yea
1 answer:
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Answer:
C. {-9,-3}
Step-by-step explanation:
gives
if
. This gives
, which is valid.
It can also give if
. This gives
, which is valid.
Hence the solutions are .
