jellybaboon jellybaboon
  • 11-05-2020
  • Mathematics
contestada

Please help with function notation question (see attached file)

Please help with function notation question see attached file class=

Respuesta :

jimrgrant1 jimrgrant1
  • 11-05-2020

Answer:

3.5 and 5

Step-by-step explanation:

Given

f(x) = [tex]\frac{x+5}{x}[/tex]

To evaluate f(2) substitute x = 2 into f(x)

f(2) = [tex]\frac{2+5}{2}[/tex] = [tex]\frac{7}{2}[/tex] = 3.5

Similarly for [tex]f^{-1}[/tex](x)

[tex]f^{-1}[/tex] (2 ) = [tex]\frac{5}{2-1}[/tex] = 5

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