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ajutor,in afara de ce ii taiat​

Ajutorin Afara De Ce Ii Taiat class=

Răspuns :

c) 4,9x > 0+7

49/10x > -7

x > -7 * 10/49

x > -10/7

x apartine (-10/7, infinit)

f) -V8x < 0-V2

-x < -V2/V8

x > 1/V4

x > 1/2

x apartine (1/2, infinit)