Answer:
because you wouldn't want to lose your money plus it will be difficult to get your money back so you shouldn't spend all your money in stocks
PEMDAS use that it's gonna help you
<span>{(c,e),(c,d),(c,b)} is NOT a function since the input c has multiple outputs (e,d,b). So choice B is out
</span><span>{(b,b),(c,d),(d,c),(c,a)} is NOT a function either. The input 'c' corresponds to the output 'd' and 'a' at the same time. So choice C is out too
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Choices A and D are the answer. They are functions since any given input corresponds to exactly one output.
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Answer:
Step-by-step explanation:
