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Sphinxa [80]
3 years ago
8

Look at this set of ordered pairs:

Mathematics
1 answer:
dangina [55]3 years ago
7 0

Answer:

Yes, the given relation is a function.

Step-by-step explanation:

As given,

(4, 9)

(5, 7)

(9, 8)

(12, 15)

x                          y

4                          9

5                          7

9                          8

12                         15

As each input has different and unique output values.

So, the given relation is a function.

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Answer:

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Step-by-step explanation:

The external angle E is half the difference of subtended arcs CG and DF.

  E = (CG -DF)/2

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  DF = CG -2E = 160° -2(44°) . . . . . add DF-2E to both sides; substitute values

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