anonymous
  • anonymous
Let f(x) = −4x + 7 and g(x) = 10x − 6. Find f(g(x)).
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
ok hold on
anonymous
  • anonymous
so graph this and you will get your first awser y=−4x+7
anonymous
  • anonymous
okay

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misty1212
  • misty1212
HI!!
misty1212
  • misty1212
it does not say to graph, does it?
anonymous
  • anonymous
and then hears how you do the 2nd part of your problem Let's solve for g. gx=10x−6 Step 1: Divide both sides by x. gxx=10x−6x g=10x−6x Answer: g=10x−6x
misty1212
  • misty1212
lol oooooooh nooooooooo!
anonymous
  • anonymous
y what am i doing wrong
misty1212
  • misty1212
solve for \(g\)??!! darling, \(g\) is not a variable \(g(x)\) is a function it is \[g(x)=10x-6\]
anonymous
  • anonymous
im lost
misty1212
  • misty1212
\[f(x)=-4x+7\\ g(x)=10x-6\] so \[f(g(x))=f(10x-6)\] is the first step
misty1212
  • misty1212
then since \[\huge f(\clubsuit)=-4\clubsuit +7\] you have \[\huge f(10x-6)=-4(10x-6)+7\]
misty1212
  • misty1212
a little algebra will clean that up nicely
anonymous
  • anonymous
would i just solve it like a regular two variable equation or how do i do it with f

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