+0  
 
0
144
1
avatar

Find all real numbers s such that -2(s + 7) > 4s + 8. Please give your answer in interval notation.

 Mar 6, 2022
 #1
avatar+2403 
0

-2(s + 7) > 4s + 8

(when dividing by a negative, we flip the sign)

s + 7 < 2s + 4

3 < s

In interval notation, you write that as (3, infinity). 

We use parenthesis since s can not be 3. 

 

=^._.^=

 Mar 6, 2022

27 Online Users

avatar