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40 votes
If f(x)=3x, g(x)=x+2 and fog(x)=18, find the value of x.
solve this



User Marcer
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1 Answer

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21 votes

Answer: 4

Explanation:

f(g(x)) = f(x+2) = 3(x+2) = 18

x + 2 = 6

x = 4

User Oursgris
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