Jump1556 Jump1556
  • 14-07-2022
  • Mathematics
contestada

Given f(x)-3x-1 and g(x)-2x-3, for which value of x does g(x)=f(2)?

Respuesta :

semsee45
semsee45 semsee45
  • 14-07-2022

Answer:

x = 4

Step-by-step explanation:

Given functions:

[tex]\begin{cases}f(x)=3x-1\\g(x)=2x-3\end{cases}[/tex]

f(2) means substitute x = 2 into function f(x):

[tex]\begin{aligned}g(x) & = f(2)\\ \implies 2x-3 & = 3(2)-1\\2x-3 & = 6-1\\2x - 3 & = 5\\2x - 3 + 3 & = 5 + 3\\2x & = 8\\\dfrac{2x}{2} & = \dfrac{8}{2}\\x & = 4\end{aligned}[/tex]

Therefore,  g(4) = f(2).

Answer Link
Аноним Аноним
  • 14-07-2022

f(2)

  • 3(2)-1
  • 6-1
  • 5

so

  • g(x)=5
  • 2x-3=5
  • 2x=8
  • x=4
Answer Link

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