Find the exact value of the expression in degrees without using a calculator or table.cos-1 
A. 45°
B. 315°
C. 330°
D. 30°
Answer: D
Mathematics
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Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Graph the equation.f(x) = (x + 5)2
A. 
B. 
C. 
D. 
Mathematics
Write as a percent. 0.34
A. 3.4% B. 34% C. 0.034% D. 340%
Mathematics
Solve the problem.Assume the cost of a car is $20,000. With continuous compounding in effect, the cost of the car will increase according to the equation C = 20,000ert, where r is the annual inflation rate and t is the number of years. Find the number of years it would take to double the cost of the car at an annual inflation rate of 5.9%. Round the answer to the nearest hundredth.
A. 167.86 years B. 11.75 years C. 1.68 years D. 179.60 years
Mathematics