Answer:

Step-by-step explanation:
<u>Inequalities</u>
To solve the inequality:

We need to perform the required operations on both sides of the inequality to have the variable w isolated.
First, we subtract 9:


Subtracting 6w:

Operating:
-7w>-1
Now we divide by -7 but recall that when dividing by a negative number, we must flip the inequality sign:

Operating:

Solution:

Answer:
Part 67)
and 
Part 68)
or 
Step-by-step explanation:
Part 67) we know that
The solution of the number line is the interval -------> (-2,3)
All real numbers greater than -2 and less than 3
so
The compound inequality could be
and 
"And” indicates that, both statements must be true at the same time
Part 68) we know that
The solution of the number line is the interval (-∞,-1] ∪ [1,∞)
All real numbers less than or equal to -1 or all real numbers greater than or equal to 1
The compound inequality could be
or 
"Or” indicates that, as long as either statement is true, the entire compound sentence is true
Answer:
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
a,c,d are same but b is different.
Answer:
f-1(x)=x-1/2
Step-by-step explanation:
Switch x and y and solve for y
x=y+1/2
y=x-1/2