Solve the problem.The position of a particle moving along a coordinate line is s = 
with s in meters and t in seconds. Find the particle's acceleration at 
A. 
m/sec2
B. 
m/sec2
C. - 
m/sec2
D. - 
m/sec2
Answer: D
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Write the equation of the line in slope-intercept form.m = 
, y-intercept (0, -4)
A. y = 
x + 4
B. y = - 
x - 4
C. y = - 
x + 4
D. y = 
x - 4
Solve the problem.A car rental firm charged $25 per day or portion of a day to rent a car for a period of 1 to 6 days. Days 7 to 9 were then "free," while the charge for days 10 through 15 was again 
per day. Let 
represent the total cost to rent the car for t days, where 
Find the total cost of a rental for 
A. $100 B. $28 C. $75 D. $25
Solve the problem.The data below represent the average monthly cost of natural gas in an Oregon home. 
Above is the graph of 47.35 sin x. Make a scatter diagram of the data. Find the sinusoidal function of the form 
which fits the data.
What will be an ideal response?
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