What is the domain of f(x)=(2/5)^{x+2}-1 ?

The domain of f(x)=(2/5)^{x+2}-1 is -infinity <x<infinity

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domain of f(x)=(2/5)^{x+2}-1

domain

f (x) = (\frac{2}{5})^{x + 2} - 1

- \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) = - x + 7

(- 16, 2), (4, - 11)

y = \frac{1}{2 cos ( 2 x )}

1 - 2 x - x^{2}

f (x) = x^{\frac{7}{2}} - 8 x^{2}

What is the domain of f(x)=(2/5)^{x+2}-1 ?
The domain of f(x)=(2/5)^{x+2}-1 is -infinity <x<infinity