Question

How do you find the domain of `f (x)= root4(2x+10)`?

Answer 1

Solve the inequality `2x+10>=0`

The domain is `x in RR: x >=-5`

Explanation:

Given: `f (x)= root4(2x+10)`

Assuming that `f(x) in RR`, then we must restrict the domain such that:

`2x+10>=0`

`2x>=-10`

`x >= -5`