anonymous
  • anonymous
Given the functions k(x) = 5x − 8 and p(x) = x − 4, solve k[p(x)] and select the correct answer below. A)k[p(x)] = 5x − 12 B)k[p(x)] = 5x − 28 C)k[p(x)] = 5x2 − 12 D)k[p(x)] = 5x2 − 28
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@chrisdbest @ganeshie8 @horsegirl27
freckles
  • freckles
replace the x's in k(x)=5x-8 with (x-4)
anonymous
  • anonymous
-7? :/

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More answers

freckles
  • freckles
no I'm asking you to replace all the x's you in k(x)=5x-8 with (x-4)
freckles
  • freckles
not -7 wherever that number comes from
freckles
  • freckles
|dw:1436471135474:dw|
freckles
  • freckles
we are doing this because we want to find k(p(x)) where p(x)=x-4
anonymous
  • anonymous
-3?
freckles
  • freckles
|dw:1436471223300:dw|
freckles
  • freckles
notice I replaced the x's with what I was asking you to replaced them with which was (x-4)
freckles
  • freckles
now all you have to do is simplify 5(x-4)-8
Haseeb96
  • Haseeb96
we will put first p(x)= x-4 in this equation k[p(x)] = k [x-4] then what k(x) =5x-8 what you will do you will just put (x-4) at the place of x in k(x) equation
anonymous
  • anonymous
-28 ?
Haseeb96
  • Haseeb96
it will be k[p(x)] = 5(x-4) -8 now solve it and get your correct answer and show me what you get
Haseeb96
  • Haseeb96
yes -28
freckles
  • freckles
the x couldn't disappear @EmilyF03 do you know the distributive property
anonymous
  • anonymous
NOT REALLY :/ IM NOT GOOD AT MATH
freckles
  • freckles
5(x-4)-8 a(b+c)=ab+ac is the distributive property distribute the 5 to both terms inside the ( ) 5(x-4)=5(x)-5(4) so you have 5(x-4)-8 = 5(x)-5(4)-8
anonymous
  • anonymous
THE ANSWER ITS B?
freckles
  • freckles
yes
Haseeb96
  • Haseeb96
yes B is correct answer
anonymous
  • anonymous
THANK YOU CAN YOU CHECK ONE LAST QUESTION PLEASE?
Haseeb96
  • Haseeb96
yes but you have to give medal to @freckles instead of me because he explained in much good way than me
Haseeb96
  • Haseeb96
so plz give it to him
anonymous
  • anonymous
YEA I SO SORRY IM NEW ON THIS PAGE SORRY I KNOW FOR THE NEXT TIME

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