anonymous
  • anonymous
Let f(x)=-4x-2 and g(x)=5x-6. find F(little black circle ) g and state it's domain
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
they all are real numbers but is 6 or 1
anonymous
  • anonymous
no domain is all real numbers. \[f(g(x))=f(5x-6)=-4(5x-6)-2\]
anonymous
  • anonymous
now we can multiply and combine like terms \[f(g(x))=-4(5x-6)-2=-20x+24-2=-20x+22\]

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More answers

anonymous
  • anonymous
-20x
anonymous
  • anonymous
this is a line, so domain all real numbers.
anonymous
  • anonymous
20
anonymous
  • anonymous
\[-20x+20\]
anonymous
  • anonymous
34 or 12 are in the answer somewhere
anonymous
  • anonymous
or 14
anonymous
  • anonymous
no i don't see 34 or 14 anywhere in \[f(g(x))\]
anonymous
  • anonymous
possible answers ..-20x^2+14x+12 all real except ..8x^2+34x-30 all real except 1 ...8x^2+34-30 all real ...-20x^2+14x+12 all real
anonymous
  • anonymous
OOOOOOhhhhhhhhhhhhhhhhh
anonymous
  • anonymous
\[fg(x) not f(g(x))\]
anonymous
  • anonymous
f o g
anonymous
  • anonymous
-20x^2+14x+12 all real except 6
anonymous
  • anonymous
well if that is it, i am right. if it is f times g then one of those is the answer. but that open circle does not mean mulitply
anonymous
  • anonymous
no it would not be all real except 6 because it is a polynomial so it would be all real numbers.
anonymous
  • anonymous
no it is a close circle
anonymous
  • anonymous
\[-20x^2+6x+8\]
anonymous
  • anonymous
nope you are right sorry
anonymous
  • anonymous
no you are right
anonymous
  • anonymous
\[-20x^2+12x+12\]
anonymous
  • anonymous
okay yeay
anonymous
  • anonymous
domain all real numbers

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