True or false: The equation y=−3 is a function. Enter 1 for true or 2 for false

1 answer

1 (true)

The equation \( y = -3 \) represents a horizontal line in the Cartesian plane where the output value of \( y \) is always -3 for any input \( x \). Since for every input there is exactly one output, it satisfies the definition of a function.