An Equation That Defines Y as a Function of X $$x - 2 y = 18$$

question 498

Multiple Choice

An equation that defines y as a function of x is given. Rewrite the equation using function notation f(x) .
- $$x - 2 y = 18$$

• A) \(f ( x ) = \frac { 1 } { 2 } x - 9\)
• B) \(f ( x ) = - \frac { 1 } { 2 } x + 9\)
• C) \(f ( x ) = \frac { 1 } { 2 } x - 18\)
• D) \(f ( x ) = - x + 9\)

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