The range of the function f(x) = 3ˣ+9 is { y | y > 9 }
What is Function?
The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.
Here,
f(x) = 3ˣ+9
Range of 3ˣ = 0 < 3ˣ < ∞
Adding 9 on both sides we get,
9 < 3ˣ+9 < ∞
9 < f(x) < ∞
Thus, the range of the function f(x) = 3ˣ+9 is { y | y > 9 }
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