Find an equation for the graph.
A. y = -2 sin 
B. y = -2 cos 
C. y = -2 sin (3x)
D. y = -2 cos (3x)
Answer: D
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You want a linearization that will replace the function over an interval that includes the point x0. To make your subsequent work as simple as possible, you want to center the linearization not at x0 but at a nearby integer x = a at which the function and its derivative are easy to evaluate. What linearization do you use?f(x) = 
, x0 = 35.9
A. 
+ 
x
B. 3 + 
x
C. 3 - 
x
D. 3 + 
x
Solve the problem.Ellen earns $14.25 per hour. One week she worked 39.75 hours. Find her gross pay for the week.
A. $566.54 B. $566.44 C. $566.34 D. $566.45
Solve.The size of the coyote population at a national park increases at the rate of 
per year. If the size of the current population is 151, find how many coyotes there should be in 4 years. Use the equation
to solve and round to the nearest whole number.
A. Approximately 176 coyotes B. Approximately 178 coyotes C. Approximately 182 coyotes D. Approximately 180 coyotes
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00