Solve the problem.The price of a certain commodity is a function of supply and demand. The table below shows the price of the commodity per barrel between 2012 and 2017. Find the average annual rate of change between 2015 and 2017.
A. $3.00 per year
B. -$12.00 per year
C. $12.00 per year
D. $24.00 per year
Answer: C
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Find the total area of the region between the curve and the x-axis.y = 2x + 7; 1 ? x ? 5
A. 26 B. 9 C. 18 D. 52
Solve the problem.A patient with a mass of 56 kilograms is to receive an antibiotic. The order is to administer 8.5 milligrams per kilogram. How much of the antibiotic should be given?
A. 47.5 mg B. 476 mg C. 478 mg D. 64.5 mg
Choose the equation that matches the graph.
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
The equation of a parabola is given. Determine if the parabola is horizontal or vertical, the way the parabola opens, and the vertex.x = -(y + 3)2 - 4
A. vertical; opens downward; (3, -4) B. horizontal; opens to left; (-4, -3) C. horizontal; opens to left; (-4, 3) D. vertical; opens downward; (-3, -4)