Question

URGENT!DAU COROANA SI INIMA!!

Answer 1

Răspuns:

Explicație pas cu pas:

1

a)2^153/3^102=0,002<1 =>subunitar

b)8^56/4^84=1=> echiunitar

c)5^123/11^82=3,79 => supraunitara

d)2^217/5^93=2,08 => supraunitara

2

a) 7/x+5=> x aparttine (3,+infinit)

b)11/2x+1 => x apartine (6,+infinit)

c)4x-3/13 =>x apartine(5,+infinit)

d)4x-1/2x+11=>x apartine(7,+infinit)

3

a) 7/x+4=> x=3

b)3x-1/8 => x=3

c)19/4x+3 =>x=4

d)5x-5/3x+7=>x=6

4

a) 11/x+2=> x aparttine (8,+infinit)

b)3x+7/25 => x apartine (-infinit,5)

c)9/2x+5 =>x apartine(3,+infinit)

d)6x-5/3x+13=>x apartine (-infinit,5)

5

a) x/9=3/5 => 27=5x => x=27/5

b)20/x=3/5 => 100=3x => x=3/100