The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -4 + 11 cos tFind the body's speed at time t = ?/3 sec.
A. - 
m/sec
B. 
m/sec
C. 
m/sec
D. - 
m/sec
Answer: C
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Tell whether the statement is true or false.Every irrational number is an integer.
A. True B. False
The total daily profit (in dollars) realized by Weston Publishing in publishing and selling its dictionaries is given by the profit function
?
?
where x stands for the number of deluxe editions and y denotes the number of standard editions sold daily. Weston's management decides that publication of these dictionaries should be restricted to a total of exactly 400 copies/day. How many deluxe copies and how many standard copies should be published each day to maximize Weston's daily profit?
?
Find the number of deluxe copies.
?
Find the number of standard copies.
What will be an ideal response?
Solve using the addition or division principle.-162 = 9z
A. -171 B. 1 C. -18 D. 171
A movie theater has been charging $ .00 per person and selling about 500 tickets on a typical weeknight. After surveying their customers, the theater estimates that for every $0.5 that they lower the price, the number of moviegoers will increase by 50 per night. Find the demand function and calculate the consumer surplus when the tickets are priced at $8 .
What will be an ideal response?