Question

find the domain
f(x) = 1
$1 \sqrt{1 - x}$
​

Answer 1

Step-by-step explanation:

Normally the domain of a square root is

≥

0

But as we cannot divide by 0, so the domain is

1

−

x

>

0

⇒

x

<

1

So the domain,

x

∈

)

−

∞

,

1