What is the domain of f(x)=2x+1,x<0 ?

The domain of f(x)=2x+1,x<0 is x<0

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domain of f(x)=2x+1,x<0

domain

f (x) = 2 x + 1, x < 0

x < 0

Interval Notation

(- \infty, 0)

Solution steps

Set the domain to the given interval

x < 0

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

x < 0

y = \frac{1}{4} csc (4) (x - \frac{5 π}{6}) + 7

f (x) = - x^{2} + 250 x

f (x) = - 2 tan (\frac{1}{3}) x

f (x) = \frac{1}{x ^{2} + 7 x + 6}

f (x) = \frac{1}{t + 1}