Question

help!!!

Answer 1

:)

Answer 2

the vertical lines around the 2x - 4 mean the ABSOLUTE value of 2x - 4 and is always positive
2x - 4 itself may be positive or negative

Answer 3

okay

Answer 4

so I solved for both 2x-4 and 2x+4 and got x<= 5/2 and x<= 3/2

Answer 5

so we can write 2 equations

2x - 4 <= 1 and 2x - 4 >= -1

Answer 6

solving these 2 equations will give you the limits of the intervals

Answer 7

can you solve these/

Answer 8

so 5/2 and 3/2

Answer 9

?

Answer 10

when you divide by a negative change the inequality