anonymous
  • anonymous
In Out 5 2 6 4 7 6 8 8 9 10 10 12 11 14 The table shows x-values going in and y-values coming out. The function being used is A) f(x) = 2x B) f(x) = x - 3 C) f(x) = x - 8 D) f(x) = 2x - 8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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misty1212
  • misty1212
HI!!
misty1212
  • misty1212
it is not \(f(x)=2x\) since that would make \(f(5)=10\) but \(f(5)=2\)
misty1212
  • misty1212
it is not \(f(x) = x - 3 \) since that would make \(f(6)=6-3=3\) but \(f(6)=4\)

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More answers

anonymous
  • anonymous
Alright So now A. isnt right
misty1212
  • misty1212
and it sure as hell is not \(f(x)=x-8\) since you are not subtracting 8 from the first number to get the second
anonymous
  • anonymous
nor B right?
anonymous
  • anonymous
Ok so then then D?
misty1212
  • misty1212
nope not A not B not C
misty1212
  • misty1212
gotta be D you can check to see that if you double the first number, then subtract 8 from the result, you get the second number
anonymous
  • anonymous
Thank you so much!
anonymous
  • anonymous
Could you help with just 2 more?
misty1212
  • misty1212
\[\color\magenta\heartsuit\]
misty1212
  • misty1212
sure why not?
misty1212
  • misty1212
i charge $10 an answer, $20 for correct ones
anonymous
  • anonymous
Sounds good
misty1212
  • misty1212
just kidding...
anonymous
  • anonymous
Solve the system. 5/8x -2/3y = -3 3/4x + 1/2y = -4 A. (9, 10) B. (9/2, 5) C. (16, -39/2) D. (-56/9, 4/3)
misty1212
  • misty1212
lol this is donkey work, let the computer do it
anonymous
  • anonymous
I know its not A and ok take your time
misty1212
  • misty1212
here i will show you how
misty1212
  • misty1212
hmm is there a typo there? none of those answers are correct
anonymous
  • anonymous
Ill show you a picture
misty1212
  • misty1212
\[\frac{5}{8}x-\frac{2}{3}y=-3\\ \frac{3}{4}x+\frac{1}{2}y=-4\]
misty1212
  • misty1212
that is what i read but none of the answer choices are right yeah post a picture
anonymous
  • anonymous
1 Attachment
misty1212
  • misty1212
hmm that is what you wrote too, but none of those choices are correct !
anonymous
  • anonymous
Hm idk why? well let me move on to another question (:
misty1212
  • misty1212
hold on a sec, let me try something
misty1212
  • misty1212
here is the right answer http://www.wolframalpha.com/input/?i=5x%2F8-2y%2F3+%3D+-3%2C3x%2F4+%2B+y%2F2+%3D+-4+
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
Ok its fine!
misty1212
  • misty1212
most of the answers to the last one don't even make logical sense, but the answer you are looking for is D an exponential function with a base bigger than one will eventually exceed any polynomial function
anonymous
  • anonymous
Thanks so much!
misty1212
  • misty1212
sorry about the middle one, i think they made a mistake
misty1212
  • misty1212
\[\color\magenta\heartsuit\]
anonymous
  • anonymous
Its fine (:

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