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A day full of math games & activities. Find one near you.
Solution:
Given function is
f(x) = 2x + 5
The domain of the function is the set of all the values that it can take.
Here f(x) takes any real number as its input.
The domain of f(x) = 2x + 5 is (-∞, ∞)
Summary:
The domain of the function f(x) = 2x + 5 is (-∞, ∞)