Question

Please check my answers. 13 Questions.

Answer 1

first glance 2 is not correct

Answer 2

for the first attachment that is

Answer 3

so is the 3 question incorrect as well
you have 5-y>=4 that means y<=1
in interval notation (-oo, 1]

Answer 4

for the second attach:
the first is good
the second (5) is not correct
you -5<a-15<2
a-15 is sandwiched btw those two mean the interval is (-5, 2)

Answer 5

for 5 it means it's a) right?

Answer 6

you should consider (6) as well! you have x<2 or x>=5

Answer 7

How about two? what's wrong with that?

Answer 8

yes for (5) it's the first one

Answer 9

for 6 it is C?

Answer 10

for 2) you have 2x+6>=8 ===> 2x>=2 so x>=1

Answer 11

yes for 6) it is C

Answer 12

So two is B?

Answer 13

no you have >= not >

Answer 14

what do you mean?

Answer 15

so it's d?

Answer 16

i meant 1 is included in the set of solutions
if it's (1, oo) it means it is not included

Answer 17

no that is not correct!
d is x<1 not x>=1

Answer 18

the answer should be C
[1, oo) 1 is part of the solutions

Answer 19

pay close attention to inequalities >, <, =<, >= are all different

Answer 20

So except those, everything else is correct?

Answer 21

did i tell you 3) is not correct as well?

Answer 22

5-y>=4 so y<= 1

Answer 23

if it's not D then it's A?

Answer 24

yes correct

Answer 25

is #5 correct?

Answer 26

let me recheck

Answer 27

no it is not
i think i mentioned it above
that number is btw -5 and 2

Answer 28

so it's D?

Answer 29

D means a-15<-5 or a-15>2

Answer 30

so it is not the answer

Answer 31

B?

Answer 32

no it's A

Answer 33

7) is not good. you have a dis-junction

Answer 34

for 8) you are good

Answer 35

7? is it d?

Answer 36

7 is A try redoing it from the scratch again and make sure

Answer 37

okay, thank You. is everything else correct?

Answer 38

i didn't check the rest
just try to follow your note and you will be fine
and you are welcome

Answer 39

Thank You x

Answer 40

welcome

Answer 41

And next time please 1 question per post.