The range of the function f(x) = 3x + 9 option is B: {y | y > 9}.
What is the range of a function?
The range is the set of all values which the given function can output.
we have the function as
f(x) = 3x +9
The linear function has a range of all real numbers that is (-∞, ∞).
f(x) can take any real value.
x = -3
The correct option is B: {y | y > 9}.
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