Answer:
9) u= -12
11) -18 over 2
Step-by-step explanation:
Hope this helps!!
Answer:
15
Step-by-step explanation:

For the top question, the answer is D
Because 16 divide by 4, equals 4
Answer:
Increasing on: 
Decreasing on: 
Constant at : x=-1
Step-by-step explanation:
The given absolute value function is
.
A function is said to be increasing if for all
, 
From the graph, we can observe that the graph has a positive slope for all x-values less than -1. This implies that the interval of increase is
or 
We can also observe that, the slope of this function is negative on the interval:
or
.
At x=-1, the function is neither increasing nor decreasing. We say the function is constant at x=-1
The answer is 2
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