The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = 3-x
B. f(x) = 3x
C. f(x) = - 3-x
D. f(x) = - 3x
Answer: C
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Combine like terms.-3m2 - 9m2
A. Can't be simplified B. -12m4 C. -12m2 D. -24m
A small company that manufactures two models of exercise machines has an order for 17 units of the standard model and 18 units of the deluxe model. The company has trucks of two different sizes that can haul the products, as shown in the table. Truck Standard Deluxe Large 6 3 Medium 4 6 Find and graph a system of inequalities describing the numbers of trucks of each size that are needed to deliver the order.
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Solve the problem.Newton's Law of Cooling states that if a body with temperature T1 is placed in surroundings with temperature T0 different from T1, then the body will either cool or warm to temperature T(t) after time t, in minutes, where 
A cup of coffee with temperature 103°F is placed in a freezer with temperature 0°F. After 5 minutes, the temperature of the coffee is 67.3°F. What will its temperature be 18 minutes after it is placed in the freezer? Round your answer to the nearest degree.
A. 22°F B. 21°F C. 17°F D. 19°F
Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = -1x = 
(solid)
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