sktjell
WHAT IS The range of 3 √ x !?!?! PLEASE PLEASE PLAESE PLAESE I BEGGG I BEGGGGGGG! LOL
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Kainui
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What can x be? What numbers can you not take the square root of?
sktjell
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O?
eigenschmeigen
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\[\sqrt{0} = 0\]
Kainui
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You can take the square root of 0, since 0*0=0. You can't divide by 0, don't forget that when determining range and domain.
sktjell
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YES BUT LET ME SHOW U GUYS THE OPTIONS
Kainui
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Try turning off your caps lock, it doesn't really help you.
eigenschmeigen
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\[\sqrt{-1} \notin R\]
sktjell
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o sorry lol :)
sktjell
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eigenschmeigen
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what types of numbers can we not square root?
Kainui
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Haha it's fine. So yes, eigenschmeigen is right, if you can guess what that means. Remember that a domain is all the numbers of x you can choose to satisfy an equation while the range is all the numbers you can have as a result of your domain.
sktjell
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i attached a picture of the options can u guys check it out
Kainui
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Numbers in these brackets [x,y] mean that they are included in the range or domain. Numbers in parenthesis (x,y) mean that they're not included, but every number between them is.
sktjell
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can u guys help because he didnt help :(
imagreencat
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Well, what do you think the answer is?
eigenschmeigen
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@Kainui i personally think you were explaining very well
sktjell
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C ?
eigenschmeigen
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what happens if you put a negative number for x?
sktjell
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@eigenschmeigen im just very slow in math like i dont get anything im sorry and i need to get this half a credit graduate with my class by june 3rd and its a whole bunch of quizes this invluded and im just stressing! :(((
eigenschmeigen
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what happens if we put a negative number in for x?
eigenschmeigen
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what do we get, for example, if i put in -16
sktjell
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i believe the answer is A.
eigenschmeigen
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yes you would be correct
sktjell
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thanks so much.
imagreencat
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I hope you're not just guessing and you truly, genuinely understand the concept behind your answer.