What is the domain of f(x)=3x ?

The domain of f(x)=3x is -infinity <x<infinity

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domain of f(x)=3x

domain

f (x) = 3 x

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

2 x^{4} + 3 x^{3} - 6 x^{2} - 5 x + 7

- 2 x^{2} + 12 x - 14

f (x) = 2 - 6 x

f (x) = 7 - x^{2}

\frac{x ^{3} - 5}{12}