Find the phase shift.y = -2 cos
A. 
units to the left
B. ? units to the left
C. 
units to the right
D. 2? units to the right
Answer: B
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Write the inequality using interval notation. Graph the inequality.2 < x ? 6
A. [2, 6]
B. (2, 6]
C. (2, 6)
D. [2, 6)
If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.r(t) = (5 cos t)i + (8 sin t)jFind the acceleration vector.
A. a(t) = (-5 cos t)i + (-8 sin t)j B. a(t) = (5 cos t)i + (8 sin t)j C. a(t) = (5 sin t)i + (8 cos t)j D. a(t) = (-5 sin t)i + (-8 cos t)j
Provide an appropriate response.The demand function for a manufacturer's product is p = f(q) = 6 - q where p is price per unit when q units are demanded by consumers. Find the level of production that will maximize the manufacturer's total revenue and determine this revenue.
Fill in the blank(s) with the appropriate word(s).
Use the graph of the equation 
shown below to identify the graph of one complete cycle of the equation 
.
?
?
A. ?
?
B. ?
C. ?
D. ?
E. ?
