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VLD [36.1K]
2 years ago
7

Find f(g(x)) and g(f(x)) and determine whether each pair of functions f and g are inverses of each other (pls include work and a

simple how-to)
1. f(x)
4x and g(x) = x/4
Mathematics
2 answers:
Elena-2011 [213]2 years ago
6 0

Answer:

  • Yes

Step-by-step explanation:

<u>Given:</u>

  • f(x) = 4x
  • g(x) = x/4

<u>Find the following:</u>

  • f(g(x)) = 4*g(x) = 4*x/4 = x
  • g(f(x)) = f(x)/4 = 4x/4 = x

Since f(g(x)) = g(f(x)) = x, the functions are inverses of each other.

seropon [69]2 years ago
4 0
  • f(x)=4x
  • g(x)=x/4

\\ \sf\longmapsto f(g(x))=4(x/4)=x

\\ \sf\longmapsto g(f(x))=4x/4=x

  • f(x) and g(x) are inverse of each other
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Step-by-step explanation:

Solution by substitution method

8x+5y= -7

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Suppose,

8x+5y=-7→(1)

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in equation (2), we get 7x-6y=4

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∴x= -0.2651 and y = -0.9759

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