Find the domain of the function. f(x)=sqrt{5x-40}

Carpanedam7 2022-07-25 Answered
Find the domain of the function.
f ( x ) = 5 x 40
The domain is ?
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Answers (1)

sweetwisdomgw
Answered 2022-07-26 Author has 20 answers
Step 1
Since square root is defined only for non-negative numbers we must have
5 x 40 0 5 x 40 x 40 5 x 8
Step 2
Hence domain is [ 8 , ]
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