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प्रश्न
Check if the relation given by the equation represents y as function of x:
3x − 6 = 21
बेरीज
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उत्तर
3x − 6 = 21
∴ x = `(21 + 6)/3` = 9
x = 9 represents a point on the X-axis.
There is no y involved in the equation.
So the given equation does not represent a function.
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