Question

What are the domain and range of the function f(x) = 3X + 5?
domain: (-00,00); range: (0,co)
domain: (-00,00); range (5,00)
domain (0.00); range: (-00,00)
domain: (5.00); range: (-00,00)

Answer 1

The domain and the range of function f(x) are $(-\infty,\infty)$ and $(-\infty,\infty)$

The function is given as;

$f(x) = 3x + 5$

The above function is a linear function.

Unless it is specified, the range and the domain of a linear function are the set of all real numbers

Hence, the domain and the range of function f(x) are $(-\infty,\infty)$ and $(-\infty,\infty)$

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