Question

Which of the following values of x is in the solution set of 2|x + 4| > 14?
A. x = 0
B. x = 1
C. x = –3
D. x = –12

Answer 1

sub in the x's and see!

Answer 2

i thought that's what i had to do. I wasnt sure. thanks :D

Answer 3

for your reference |-x| = x

Answer 4

2 l x +4 l >14
lx+4l> 7
\[x+4 > \pm 7\]

x+4> 7
x>3

or
x+4>-7
x+4> -11

so
x=-12

Answer 5

thank you!