Solve.The resale value R (in dollars) of a company car after t years is estimated to be given by 
What is the rate of depreciation (in dollars per year) after 5 years?
A. -$15,144/yr
B. -$1378/yr
C. -$1157/yr
D. -$1641/yr
Answer: D
Mathematics
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Simplify.
A. 
B. 
C. 1
D. -1
Mathematics
A vertical beam of a searchlight, S, illuminates a cloud at P. An observer, Q, 100 feet from S measures the angle of elevation to P as 82°. How high is the cloud?
Mathematics
Perform the indicated operation. Write the result in the form a + bi.
A. 
- 
i
B. 
+ 
i
C. 
- 
i
D. 
- 
i
Mathematics
Find any x-intercepts.f(x) = 2x2 - 18x + 40
A. -5 and -4 B. -5 and 4 C. 5 and -4 D. 5 and 4
Mathematics