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Does anyone know how to solve this? Any help is appreciated :)

Does anyone know how to solve this? Any help is appreciated :)-example-1
User Mksteve
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So you need to solve for f(x) when x=1. So you need to find which part that fits in, the last one. So plug in 1 for x in that equation and you will get your answer, 7.

Hope that makes sense.
User Josh Wooding
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