How do you find the domain and range of $f (x) = \sqrt{24 - 2 x}$ $f(x)=sqrt(24-2x)$ ?

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How do you find the domain and range of $f (x) = \sqrt{24 - 2 x}$ $f(x)=sqrt(24-2x)$ ?

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Answer 1 · 2018-04-14T08:33:23

( - infinity , 12 ]

Explanation:

1/ 24 - 2x $\geq$ $>=$ 0
2/ -2x $\geq$ $>=$ -24
3/ x $\leq$ $<=$ 12 (divided by a negative number, so had to reverse the direction of the inequality symbol)
Answer : ( - infinity , 12 ]

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How do you find the domain and range of $f (x) = \sqrt{24 - 2 x}$ $f(x)=sqrt(24-2x)$ ?

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How do you find the domain and range of $f (x) = \sqrt{24 - 2 x}$ $f(x)=sqrt(24-2x)$ ?