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27-12-2020
Mathematics

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f(x + 1) = 3x - 7
f(x) = ?
Cevabi kitabda=3x-10
Nasil yapmiş kitabda

Respuesta :

27-12-2020

Answer:

f(x) = 3x + 4

Step-by-step explanation:

f(x + 1) = 3x - 7

f(x) = f(x + 1 - 1) = 3(x - 1) + 7 = 3x - 3 + 7 = 3x + 4

Check

f(x) = 3x + 4

f(x + 1) = 3(x + 1) + 4 = 3x + 3 + 4 = 3x + 7 CORRECT

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