smartie51
smartie51 smartie51
  • 17-08-2017
  • Mathematics
contestada

Help! Please answer! :(
Given the function f(x) = 2(x + 6), find x if f(x) = 22.
A) 56
B) 5
C) 38
D) 17

Thank you!

Respuesta :

mreijepatmat
mreijepatmat mreijepatmat
  • 20-08-2017
f(x) = 2(x+6). If f(x) = 22, that means replace f(x) with 22
22  = 2(x+6) or
22 = 2x + 12 . Now solve this equation with the variable x:

2x = 22 - 12

2x = 10

x = 5 (Answer B)

Answer Link
Аноним Аноним
  • 23-02-2021

Just took the test and the answer is b :)

Answer Link

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