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12-07-2020
Mathematics

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F(x)3x+5/x what is f(a+2)
A: 3a+5/a+2
B:3(a+2)+5/a+2
C:3(f(a))+5/f(a)+2

Respuesta :

12-07-2020

B: 3(a+2) +5/a+2. If you expand this: (3a+6+5)/a+2 =(3a+11)/a+2

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