libbyshanks1 libbyshanks1

16-03-2021
Mathematics

contestada

If Fx) = 7x, which of the following is the inverse of (Fx)?

A. F^1(x) = x/7
B. F^1(x) = 7x
C. F^1(x) = x-7
D. F^1(x) = x+7

Respuesta :

shantae4 shantae4

16-03-2021

Answer:

A. F^1(x) = x/7

Step-by-step explanation:

[tex]y = 7x \\ x = 7y \\ \frac{x}{7} = \frac{7y}{7} [/tex]

[tex]y = \frac{x}{7} [/tex]

Therefore the inverse is

[tex]f {}^{1} = \frac{x}{7} [/tex]

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