Match the graph to its equation.
A. 
- 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Answer: C
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Use L'Hospital's rule to find the limit.A package of weather instruments is propelled into the air. After reaching a certain altitude, a parachute opens. The altitude y (in km) of the package as a function of the time t (in minutes) is given by 
Find 
y.
A. 3 B. 0 C. ? D. 1
Solve the problem.Before exercising, an athlete measures her air flow and obtains a = 0.65 sin 
where a is measured in liters per second and t is the time in seconds. If a > 0, the athlete is inhaling; if a < 0, the athlete is exhaling. The time to complete one complete inhalation/exhalation sequence is a respiratory cycle. What is the amplitude? What is the period? What is the respiratory cycle? Graph a over two periods beginning at t = 0. 
What will be an ideal response?
Solve.A 48-ounce can of pears costs $4.80. A 16-ounce can of the same brand of pears costs $1.92. How much does a consumer save in total by buying 1 large can instead of 3 small cans?
A. $0.91 B. $0.96 C. $1.06 D. $0.97
Find the least common multiple.9, 15
A. 45 B. 24 C. 135 D. 15