What is the domain of the function {(−5,6),(2,−8),(7,12),(−2,−8)}

A.{−5,6,2,−8,7,12,−2}

B.{6,−8,12}

B.{−5,2,7,−2}

B.{6,2,7,12}

Domain { -5,2,7,-2}

Step-by-step explanation:

The domain is the input values, in this case the x values

Domain { -5,2,7,-2}

Option C is the correct option.

Step-by-step explanation:

Domain is the set of all values of x

{( -5 , 6 ) , ( 2 , -8 ) , ( 7 , 12 ) , ( -2 , -8 )

⇒ { - 5 , 2 , 7 , - 2 }

Hope I helped!

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x =±sqrt(1/3)

step-by-step explanation:

x+4/6x=1/x

multiply each side by 6x to get rid of the fractions

6x*(x+4/6x)=1/x*6x

distribute

6x^2 +4 = 6

subtract 4 from each side

6x^2 +4-4 = 6-4

6x^2 =2

divide by 6

6x^2/6 = 2/6

x^2 = 1/3

take the square root of each side

sqrt(x^2) = ±sqrt(1/3)

x =±sqrt(1/3)

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step-by-step explanation:

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