maga0206 maga0206
  • 23-10-2019
  • Mathematics
contestada

given f(x) =3x-7, find f(x+1)+f(1)

Respuesta :

jimrgrant1 jimrgrant1
  • 23-10-2019

Answer:

3x - 8

Step-by-step explanation:

To find f(x + 1) substitute x = x + 1 into f(x)

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

Similarly

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

Hence

f(x + 1) + f(1) = 3x - 4 - 4 = 3x - 8

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