anonymous
  • anonymous
If the range of the function f(x) = 4 − 4x is {-20, -16, -8, 0, 4}, what is its domain?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
{0, 1, 2, 4, 6} {2, 3, 5, 6, 7} {1, 3, 5, 7, 9} {0, 1, 3, 5, 6}
anonymous
  • anonymous
@Loser66
Loser66
  • Loser66
ok, you HAVE TO work on your problem, not me!! I guide you solve for x: 4-4x =-20 , then x =?? 4-4x= 4 , then x =??

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More answers

anonymous
  • anonymous
x=4
anonymous
  • anonymous
@Loser66
Loser66
  • Loser66
Do one by one, ok? 4 -4x =-20 -4 both sides, what do you get?
anonymous
  • anonymous
-4x = -24
Loser66
  • Loser66
divided both sides by -4, what do you get?
anonymous
  • anonymous
x=6
Loser66
  • Loser66
yup, let it there. x =6 now, next, do the same with 4-4x =-16, what do you get for x?
anonymous
  • anonymous
-4x = -20
Loser66
  • Loser66
x =?
anonymous
  • anonymous
x= 5
Loser66
  • Loser66
so far, we have 6 and 5 right? do the same with 4-4x = -8
anonymous
  • anonymous
x=3
Loser66
  • Loser66
next is 4-4x= 0
anonymous
  • anonymous
i got it thanks
Loser66
  • Loser66
ok

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