Find the exact value of the trigonometric function. Do not use a calculator or tables.tan 
A. 
B. 
C. 
D. 2
Answer: C
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Select the smaller of the two given numbers.18, ?-30?
A. ?-30? B. 18
Solve the equation for the specified variable.
+ 
= c for b
A. b = 
- a
B. b = 
C. b = 
D. b = ac - 
Use the graph to solve the problem.In one city, the temperature in Fahrenheit on a typical summer day can be approximated by the following function:
Here, t represents the number of hours since 
The graph of this function is shown below. At what time is the temperature the highest?
A. Between 1 p.m. and 4 p.m. B. Between 1 p.m. and 2 p.m. C. Between 7 a.m. and 10 a.m. D. Between 2 p.m. and 5 p.m.
You are given the shape of the vertical ends of a trough that is completely filled with water. Find the force exerted by the water on one end of the trough. (The weight density of water is 62.4 lb/ft3.)
