How do you define Y as a function of X?

Answer

The equation x + y = 9 does not define y as a function of x. If the equation were written y= 9-x, it would be expressing y as a function of x.
Q&A Related to "How do you define Y as a function of X?"
B. For y to be defined as a function of x, it must meet several criteria, including: - the numerical expression must be an equality or inequality - the expression must include both
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It means you should rearrange the equation so that x is on one side of the equal sign, and everything else on the other, with no "x" on the right side of the equation. For
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The exponent of each term in the equation is
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Hi kee, you dont need to take the square root of both sides to find the domain. y = sqrt(x^2 - 9) To find the domain, you take the equation in radical and set it <= to zero (x
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