What is the domain of f(x)=4e^{-x} ?

The domain of f(x)=4e^{-x} is -infinity <x<infinity

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domain of f(x)=4e^{-x}

domain

f (x) = 4 e^{- 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

f (x) = e^{- l n (1 - x^{2})}

f (x) = e^{2 x} \cdot e^{3 x}

(2 + 3)^{2}

2^{2^{2}}

4 e^{- 0.03}

What is the domain of f(x)=4e^{-x} ?
The domain of f(x)=4e^{-x} is -infinity <x<infinity