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how to determine whether y is a function of x for these equations?
x^2+y^2=4
y^2=x^2-1
please show me how to do this. thanks. 10 pts best answer
2 Answers
- Anonymous1 decade agoFavorite Answer
Are these two separate questions? If so, then y is not a function of x in either of them because there is more than one possible y output value for most x input values with both of them. A function can only have one output value for each input value.
- aristidetraianLv 41 decade ago
This is an independent system with four pair of solutions a=+/- Sqrt[3/2], and b=+/- Sqrt[5/2]