Functions: Adding and Subtracting
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how would you find the domain of the function if:
f(x) = some function
g(x) = some function but has a restriction like x>4
If you are asked to find the domain of lets say, (f+g)(x) or (f/g)(x)
I looked at your video on composite functions but couldn't really grasp the idea of finding the domain of a function when there's a restriction. I would highly appreciate if you could help me out, you've been great help in your other videos. Thanks in advance!
1 year ago 2
All Comments (22)
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I must be retarded cause I still don't get it. I'm gonna fail my test tomorrow.. :/
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quick question what if it's f(-x) or -f(x)?
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Thank you , Thank you this helped me so much with my assignment this evening :)
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@patrickJMT youre the man patrick
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thanks!!!!!
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What if we have a negative?! ;o
F(x)= x+8+2
and x= -7.4
and the answer you get you have to square it
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Thanks for teaching me all things math,
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You and Salman Khan from KhanAcademy deserve a Nobel prize!
oliver2k94 4 days ago
@oliver2k94 he is taking over, i am just lurking in the background :)
patrickJMT 3 days ago
hi patrick this helped me finish my assignment last thursday! thanks a million ^_^
dizzytrizzy07 1 year ago 4
@dizzytrizzy07 my pleasure : )
patrickJMT 1 year ago 2