Verified answer

1) (5у-8)/11

x∈(-∞; +∞)

2) (у²+1)/(у³-2у)

ОДЗ:

у³-2у≠0

y(y²-2)≠0

y≠0

y≠√2

y≠-√2

y∈(-∞; -√2)∪(-√2; 0)∪(0; √2)∪(√2; +∞)

3) (у-10)/(у²+3)

ОДЗ:

у²+3≠0

y²≠-3

y∈(-∞; +∞)

4)6у/(3у-4)+15/(у+16)

ОДЗ:

3y-4≠0 y≠0.75

y+16≠0 y≠-16

y∈(-∞; -16)∪(-16; 0.75)∪(0.75; +∞)

5)32/(5у)- (3у+1)/(2у+7)

ОДЗ:

5y≠0 y≠0

2y+7≠0 y≠-3.5

y∈(-∞; 3.5)∪(-3.5; 0)∪(0; +∞)