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

Please Help! Functions and Relations! Which value of x is in the domain of the equation-example-1
User Sushant Yadav
by
3.0k points

1 Answer

14 votes
14 votes

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.

User BFreeman
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3.3k points