How do you find the domain of $f (x) = 3 x + 6$ $f(x)=3x+6$ ?

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Answer 1 · 2018-06-07T21:47:50

Domain ${x|x " is " RR}$ or in interval notation $(-oo,oo)$

$f(x)=3x+6$ is the equation of a line, there are no restrictions of input on any lines so the domain is all real numbers.

Domain ${x|x " is " RR}$ or in interval notation $(-oo,oo)$

graph{3x+6 [-10.29, 9.71, -1.92, 8.08]}

How do you find the domain of f(x)=3x+6f(x)=3x+6f(x)=3x+6?