anonymous
  • anonymous
Help please this is my last year and i really need to do good! I will fan and medal!!! Given f(x)=2x^2+8 and g(x)=5x-6, find each function for questions 4-5. 4. (f+g)(x) 5. (fxg)(x)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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breyliance
  • breyliance
i would suggest contacting your teacher
anonymous
  • anonymous
I cant he is out of the office today
breyliance
  • breyliance
ask a parent interweb idk

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More answers

anonymous
  • anonymous
\[(f+g)(x)=f(x) + g(x)\] Add the functions and combine like terms \[f(x) + g(x)=2x^2+8+5x-6\]
breyliance
  • breyliance
holy crap
anonymous
  • anonymous
:( none of my family knows this stuff and either do i, i have trouble understanding the problems
anonymous
  • anonymous
5. \((f \times g)(x)=f(x) \times g(x)=(2x^2+8)(5x-6)\) Use FOIL/Distribution to simplify
skullpatrol
  • skullpatrol
|dw:1441200012218:dw|
skullpatrol
  • skullpatrol
To add polynomials you add their similar terms, similar terms monomials that are exactly alike or are the same except for their numerical coefficient.
skullpatrol
  • skullpatrol
|dw:1441200483316:dw|
anonymous
  • anonymous
So nothing else gets done with the 2x^2 or the 5x?
skullpatrol
  • skullpatrol
Correct, they are not similar terms.
anonymous
  • anonymous
But if there wasnt the ^2 then they could have been added together to make 7x right?
skullpatrol
  • skullpatrol
yes
anonymous
  • anonymous
okay how would i work the next one out?
skullpatrol
  • skullpatrol
Use the distributive property. Do you recall that?
skullpatrol
  • skullpatrol
|dw:1441201094779:dw|
skullpatrol
  • skullpatrol
|dw:1441201244829:dw|
skullpatrol
  • skullpatrol
|dw:1441201528521:dw|
anonymous
  • anonymous
Thank you so much, Would you be able to help me with a few more in a sec?
skullpatrol
  • skullpatrol
I can try :-)
anonymous
  • anonymous
Okay ill post a new question though
skullpatrol
  • skullpatrol
sure

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