Answer:
D?
(its blurry-
Step-by-step explanation:
You got 2 types of data $ and %!
Line them up accordingly and cross multiply.
16% is to $38 as
100% is to $x
X= 38•100/16= $237.5 the price before discount
Answer:

Step-by-step explanation:
Given:
Interval, [0, 4]
Required:
Average range of change over [0, 4]
SOLUTION:
Find f(0) and f(4) from the graph:
(when x = 0, y = 0)
(when x = 4, y = 3)
Average rate of change = 
Where,


Plug in the values into the formula for average rate of change.


Average rate of change 
-15m -30 = -12m +6
3m = 36
m= 36/3 =12