peytonstanford7 peytonstanford7
  • 24-01-2018
  • Mathematics
contestada

Rewrite x - 2y = 8 using function notation. A) x - 2f(x) = 8 B) f(x) = -x + 8 C) f(x) = 2x + 8 D) f(x) = 1 2 x - 4

Respuesta :

Аноним Аноним
  • 24-01-2018
that would be f(x) =  1/2 x - 4
Answer Link
joaobezerra joaobezerra
  • 14-01-2020

Answer:

D

Step-by-step explanation:

A first order equation has the following format:

[tex]y = ax + b[/tex]

In function notation, we use y = f(x), so:

[tex]f(x) = ax + b[/tex]

In this problem:

x - 2y = 8

(-2y = 8 - x)*(-1)

2y = x - 8

y = (1/2)x - 4

f(x) = (1/2)x - 4

So the correct answer is

D

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