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Q(3x)=12x+2 then what is Q(x-2)
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Q(3x)=12x+2 then what is Q(x-2)

User Nicholas
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1 Answer

3 votes

Answer:

it's ax+b form answer is Q(x-2)=4x-6

Explanation:

ax+b=Q(x),Q(x-2)=a(x-2)+2

Q(3x)=a(3x)+b=12x+2, 3a=12 =>a=4,b=2

the original q of x is 4x+2

Q of x-2 =4(x-2)+2=4x-8+2=4x-6

User Nodak
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