Question

In poza pe 8 va rog

Answer 1

N inseamna toate numerele inclusiv 0

Answer 2

b) n-1/10>2/5=>n>5. din astea 2 =>n€(2,27)
n-1/10<13/5=>n<27

c)2n-1/18>8/9=>n>17/2
2n-1/18<3/2=>n<14=>n€(17/2,14)

d) 2n-1/24>7/8=>n>11
2n-1/24>4/3=>n<33/2.=>n€(11,33/2)

e) 3n-2/14>11/21=>n>28/9
3n-2/14<6/7=>n<14/3. n€(28/9,14/3)

f)2n+3/5>2/5=>n>-1/2
2n+3/5<4/3=>n<11/6.n€(-1/2,11/6)

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