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DerKrebs [107]
3 years ago
6

The mapping diagram shows a functional relationship.

Mathematics
2 answers:
likoan [24]3 years ago
6 0

Answer:

  • 1/2
  • 8

Step-by-step explanation:

x = domain, f(x) = range

<u>Look for matching numbers:</u>

  • f(4) = 1/2
  • f(x) = 4 when x = 8
Y_Kistochka [10]3 years ago
4 0

Answers:

f(4) is 1/2

f(x) = 4 when x is 8

====================================

Explanation:

Saying f(4) means f(x) when x = 4.

Locate 4 in the domain bubble. It points to 1/2 in the range bubble. This means x = 4 and y = 1/2 pair up. So f(4) = 1/2.

--------

When we're told f(x) = 4, we're given that y = 4 since y = f(x). So we need to find the x value that gets us to y = 4.

Locate y = 4 in the range. Trace the arrow in reverse to get to x = 8

f(8) = 4

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