What is the domain of f(x)=3x-1,2x,x>= 1,x<1 ?

The domain of f(x)=3x-1,2x,x>= 1,x<1 is -infinity <x<infinity

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domain of f(x)=3x-1,2x,x>= 1,x<1

domain

f (x) = 3 x - 1, 2 x, x \geq 1, x < 1

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

Domain of

{3 x - 1 : x \geq 1} : x \geq 1

Domain of

{2 x : x < 1} : x < 1

Combine domains of all the pieces:

x \geq 1 or x < 1

- \infty < x < \infty

What is the domain of f(x)=3x-1,2x,x>= 1,x<1 ?
The domain of f(x)=3x-1,2x,x>= 1,x<1 is -infinity <x<infinity