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)

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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
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i would suggest contacting your teacher
I cant he is out of the office today
ask a parent interweb idk

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

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