Give the amplitude or period as requested.Period of f(x) = -3 cos 
x
A. 
B. 
C. 6?
D. -3
Answer: C
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An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Functionz = 7x + 2yConstraintsx ? 0 0 ? y ? 5 x - y ? 9 x + 2y ? 12
A. Maximum: 63; at (9, 0) B. Maximum: 24; at (2, 5) C. Maximum: 10; at (0, 5) D. Maximum: 72; at (10, 1)
A boy is riding a scooter whose wheels are 5 inches in diameter. If the wheels rotate at 550 rpm, find the speed at which he is traveling in mi/h.
(a) 6.6 mi/h (b) 5.5 mi/h (c) 9.3 mi/h (d) 11 mi/h (e) 8.2 mi/h
A test plot of 
th of an acre produces 
pounds of shelled corn. If one bushel of shelled corn weights 56 pounds, find the yield, in bushels per acre.
A. 
bushels per acre
B. 
bushels per acre
C. 
bushels per acre
D. 
bushels per acre
E. 
bushels per acre
Use the product rule to simplify the radical.
? 
A. 
B. 
C. 
D. 3