isamariearias isamariearias
  • 23-08-2020
  • Mathematics
contestada

integrated Mann ist Quarter)
English
Given f(x) = 3x-1 and g(x) = 2x-3, for which value of x does slx) = f(2)?
3
PRO X-2
5
O X=
2
O x=4

Respuesta :

mberisso
mberisso mberisso
  • 23-08-2020

Answer:

[tex]g(x)=f(2)[/tex]  for x = 4

Step-by-step explanation:

If [tex]f(x)=3x-1[/tex]

and   [tex]g(x)= 2x-3[/tex]

Then for which value of "x" does [tex]g(x)=f(2)[/tex] ?

So start by evaluating what [tex]f(2)[/tex]  is:

[tex]f(x)=3x-1\,\,\,\,therefore\,\,\,\, f92)=3\,(2)-1=6-1=5[/tex]

Then,we have to find for which value of x [tex]g(x)=5[/tex]

so we write g(x) explicitly:

[tex]2x-3=5\\2x=5+3\\2 x = 8\\x = 8/2\\x=4[/tex]

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