anonymous
  • anonymous
Let f(x) = x2 + x + 2 and g(x) = 2x2 + 5. Find f(g(x)). Show each step of your work.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
f(g(x)) means replace all the x's in f(x) with g(x) \[f(g(x))=f(2x^2+5)\] \[f(g(x))=(2x^2+5)^2+(2x^2+5)+2\]
anonymous
  • anonymous
Is that the answer??
anonymous
  • anonymous
yes

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anonymous
  • anonymous
Thank you so much. Can you please help me with this last one? Solve the equation the square root of the quantity x minus 6 plus 2 equals 6 for the variable. Show each step of your solution process.
anonymous
  • anonymous
use the draw function to draw it out
anonymous
  • anonymous
|dw:1435876612227:dw|
anonymous
  • anonymous
whats all under the square root?
anonymous
  • anonymous
under the square root is just x-6
anonymous
  • anonymous
subtract the 2 from both sides |dw:1435876981218:dw|
anonymous
  • anonymous
and then square root both sides?
anonymous
  • anonymous
No. square both sides
anonymous
  • anonymous
|dw:1435877200420:dw|
anonymous
  • anonymous
thanks man this helped me a lot
anonymous
  • anonymous
no problem

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