If Y Varies Directly as X, Find a Linear Function $y = 3.6$

question 43

Multiple Choice

If y varies directly as x, find a linear function which relates them.
- $y = 3.6$ when $x = 0.9$

• A) \(f ( x ) = 4 x\)
• B) \(f ( x ) = 0.25 x\)
• C) \(f ( x ) = x + 2.7\)
• D) \(f ( x ) = 0.9 x\)

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