Find the amplitude, period, or phase shift of the given function as requested.Find the period of y = 3 cos
.
A. ?
B. 3
C. 
D. 
Answer: C
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Find the derivative.p = 
A. 
= - csc q cot q
B. 
= sec2 q
C. 
= sec2 q + 1
D. 
= sec q tan q
Solve the problem. Round approximations to an appropriate number of significant digits.A mechanic has some 30% antifreeze solution and some 50% solution. How many liters of each should be used to get 25 liters of a 38% solution?
A. 15 liters at 30% 10 liters at 50% B. 15.5 liters at 30% 9.5 liters at 50% C. 16 liters at 30% 9 liters at 50% D. 10 liters at 30% 15 liters at 50%
Solve the problem.The population of a particular city is increasing at a rate proportional to its size. It follows the function P(t) = 1 + ke0.05t where k is a constant and t is the time in years. If the current population is 32,000, in how many years is the population expected to be 80,000? Round to the nearest year.
A. 10 yr B. 18 yr C. 8 yr D. 119 yr
Express the percentage as a decimal.41.3%
A. 0.00413 B. 413.05 C. 41.30 D. 0.0413 E. 0.413