Determine the amplitude or period as requested.Period of y = 5 cos 
A. 
B. 
C. 
D. 
Answer: D
You might also like to view...
Find the focus and directrix of the parabola.- 
x2 = y
A. (0, -2); y = -2 B. (-4, 0); x = 2 C. (0, 2); y = -2 D. (0, -2); y = 2
Write an equation that expresses the relationship. Use k for the constant of proportionality.q varies directly as r and inversely as s.
A. q = 
B. qrs = k
C. q = 
D. q + r - s = k
Solve the problem.Wildlife management personnel use predator-prey equations to model the populations of certain predators and their prey in the wild. Suppose the population M of a predator after t months is given by M = 750 + 125 sin 
twhile the population N of its primary prey is given by N = 12,250 + 3050 cos 
tFind the period for each of these functions.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 27 marbles in it. At least how many green marbles does it have?
A. At least 9 green marbles B. At least 10 green marbles C. At least 18 green marbles D. At least 14 green marbles