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12. If the domain of f(x) = 2x+3 is (-3 << SO),
which number is not in the range?
1) -1
2) 0
3) 3
4) 6

Sagot :

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MisterBrainlyidn

See

Domain is (-3,oo)

Put -3 on f(x)

  • f(-3)=2(-3)+3=-6+3=-3

Range is

  • (-3,oo)

Its unclear

Find x values then

  • 2x+3=-1=>x=-2
  • 2x+3=0=>x=-1.5
  • 2x+3=3=>x=0
  • 2x+3=6=>x=1.5

Every no is present in range

If domain of your question is something different from (-3,oo) ,then only the answer is possible,Let me know about it .I will change accordingly

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