Question

conjunctions,
disjunctions,
negation,

check my work?

Simplify the following symbolic statements as much as you can, leaving your answer in a standard symbolic form

Answer 1

unkle same thing..

Answer 2

almost the same

Answer 3

(e) doesn't simplify to x^2 >9 ?

Answer 4

is that simpler?

Answer 5

is that simplified standard symbolic form ?

Answer 6

im not sure , i thought it would be good to get x by it self ,

Answer 7

i think, but u can keep it that way also....it isn't incorrect.

Answer 8

rest all r correct.

Answer 9

\[(x>3)\vee (x<-3)\longleftrightarrow (x^2>9)\],
i can't decide which is simpler

Answer 10

(3<x<-3)

Answer 11

x is outside that region not inside

Answer 12

if it was inside i would have written
(-3<x<3)

Answer 13

oh, right

but this dosent make sense either

3 < x< -3
3 < -3 ?

Answer 14

x<3, -3<x

Answer 15

(3<x<-3)
-3>x>3
both of these will not work....hmmm.....
then keep it as you have written........

Answer 16

\[-3\not<x\not<3\] ?

Answer 17

O.o
possible...

Answer 18

im guessing here ,

Answer 19

it looks ugly

Answer 20

why take chances ?
keep it as u mentioned earlier....in pdf.

Answer 21

hmmm