Timgomez19idn
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List the four smallest elements of the set. (Enter your answers as a comma-separated list.){y|y = x^2 − 1, x  integers}

Sagot :

Riza1idn
[tex]\left \{ y|y = x^{2} - 1\ , x \ integers \right \} \\\\x= 0, \ \to \ y= 0^2-1=0-1= -1 \\ point : \ (0,-1)\\\\x=-1, \ \to \ y= (-1)^2-1=1-1=0\\ point : \ (-1,0) \\\\x=1, \ \to \ y= 1^2-1=1-1=0 \\ point : \ (1,0) \\\\x=-2, \ \to \ y= (-2)^2-5=4-1= 3 \\ point : \ (-2,3) \\\\Answer : \ (0,-1) , \ (-1,0), \ (1,0), \ (-2,3) [/tex]
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