What is the domain of f(x)=3|x|-4 ?

The domain of f(x)=3|x|-4 is -infinity <x<infinity

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domain of f(x)=3|x|-4

domain

f (x) = 3 ∣ x ∣ - 4

- \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

\frac{- 2 x ^{2}}{( x - 1 ) ( x + 7 )}

f (x) = 3 + 16 - (x - 3)^{2}

f (x) = 3 x^{2} - 9 x + 8

- 2 ln (x - 3)

f (x) = lo g_{4} (x + 9)

What is the domain of f(x)=3|x|-4 ?
The domain of f(x)=3|x|-4 is -infinity <x<infinity