Question

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Answer 1

Respuesta:

19

(2,5x-2) = (2,18)

5x - 2 = 18

5x = 20

x = 4

(4,-5)= (4, 2y+1)

-5 = 2y + 1

-6 = 2y

y= -3

${x}^{2}- y={4}^{2}-(-3)=16+3=19$

Answer 2

Respuesta:

R={(3,2 ), (3,1 ), (2,1 ), ( 5,2), (5,1 ), ( 5,3) }

Explicación paso a paso: