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Determine whether the formula describes y as a function of x. Explain your reasoning. y = -x
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5 votes
Determine whether the formula describes y as a function of x. Explain your reasoning.

y = -x

User Rekire
by
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1 Answer

2 votes
Yes, because in y = -x. every x value corresponds to one unique y value, which satisfies the definition of a function. 
User Tadmc
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