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If f(x)=3x+5/x, what is f(a+2)?
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If f(x)=3x+5/x, what is f(a+2)?

User Abdul Razak Zakieh
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f(x) = 3x+(5)/(x) \\ \\ f(a+2) = 3\cdot(a+2)+(5)/(a+2) = 3a+6+(5)/(a+2)
User Korich
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