Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.cos ? = 
Find sec ?.
A. 
B. 
C. 
D. 
Answer: C
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For the given functions f(x) and g(x), find f(x) ÷ g(x).f(x) = 
, g(x) = 
A. - 
B. 
C. 
D. 
A lawn sprinkler is located at the corner of a yard. The sprinkler is set to rotate through 90
and project water out 50 feet. What is the area (rounded to three significant digits) of the yard watered by the sprinkler?
?
A. 1,960 feet2 B. 2,000 feet2 C. 1,940 feet2 D. 1,990 feet2 E. 1,970 feet2
Find the area.
A. 34 m2 B. 144.5 m2 C. 68 m2 D. 289 m2
Solve the problem.A company has just purchased a new computer for $7000. The company chooses to depreciate the computer using the straight-line method over 5 years. A linear function that expresses the book value of the computer as a function of its age x is 
What is the book value of the computer after 2 years?
A. 4200.00 B. 8400.00 C. 15,400.00 D. 9800.00