Determine the amplitude and range of the function and sketch its graph.y = -5 cos x
A. amplitude: 5; range: [-5, 5]
B. amplitude: 5; range: [-5, 5]
C. amplitude: 5; range: [-5, 5]
D. amplitude: 5; range: [-5, 0]
Answer: A
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Solve.How long will it take for the population of a certain country to double if its annual growth rate is 3.4%? Round to the nearest year. Use the exponential growth model P(t) = P0ekt.
A. 1 yr B. 59 yr C. 20 yr D. 9 yr
Solve the problem.The same number of people moved to Gill Rock each month for the last six months. If a total of 138 people moved, how many moved each month?
A. 23 people B. 46 people C. 34 people D. 138 people
It can be shown that 
= 1. Use this fact and the integral test to construct an appropriate convergent infinite series. Is 
the correct series?Enter just "yes" or "no".
Fill in the blank(s) with the appropriate word(s).
Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 