Respuesta :
The range of f(x) = 3x + 9 is: {y|All real numbers}
How to determine the range?
The equation of the function is given as:
f(x) = 3x + 9
The above function is a linear function, and the range of a linear function is the set of all real numbers
Hence, the range of f(x) = 3x + 9 is: {y|All real numbers}
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