Question

Please Help! Functions and Relations! Which value of x is in the domain of the equation shown?

Answer 1

Given:

The function is:

`f(x)√(x-7)`

Required:

Find the domain value of the given function from the options.

Step-by-step explanation:

The given function is:

`f(x)=√(x-7)`

The given function is a square root function. The square root function is defined when

`x\ge0`
`\begin{gathered} x-7\ge0 \\ x\ge7 \end{gathered}`

The domain of the given function should be greater than or equal to 7.