Question

What is the domain of the function f(x)= √x+6-7

Answer 1

Answer:Domain:

(

−

∞

,

7

)

∪

(

7

,

∞

)

,

x

Range:

(−∞,0)∪(0,∞),y

Explanation:

Answer 2

x≥1

Explanation:

f(x) = √x+6-7

f(x) = √x-1

The value under a square root must be non-negative; therefore make the inequality x-1 ≥ 0 and solve it.

x ≥ 1

There's your domain! Hope this helps! :D