sarahelisabeth444
sarahelisabeth444 sarahelisabeth444
  • 03-01-2019
  • Mathematics
contestada

Are f and g inverses of each other? Support your response algebraically

f(x) = x + 1/2

g(x) = 1x - 1/2

Respuesta :

jimrgrant1 jimrgrant1
  • 03-01-2019

Answer:

see explanation

Step-by-step explanation:

If f(x) and g(x) are the inverses of each other, then

f(g(x)) = g(f(x)) = x

f(g(x)) = f(x - [tex]\frac{1}{2}[/tex]) = x - [tex]\frac{1}{2}[/tex] + [tex]\frac{1}{2}[/tex] = x

g(f(x)) = g(x + [tex]\frac{1}{2}[/tex]) = x + [tex]\frac{1}{2}[/tex] - [tex]\frac{1}{2}[/tex] = x

Hence f(x) and g(x) are the inverse of each other


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