Answer each question appropriately.Suppose the velocity of a body moving along the s-axis is 
= 9.8t - 3.Find the body's displacement over the time interval from 
to 
given that 
when 
A. 193.5
B. -0.3
C. 205.5
D. Not enough information is given.
Answer: C
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Solve the problem.Mark can remember only the first 5 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the possible numbers and if it takes him 17 seconds to try each one, how long would it take to try every possibility?
A. 25.5 min B. 2.8 min C. 28.3 min D. 5.7 min
Solve the problem.A population of birds in a small county can be modeled by the polynomial 
where x = 1 corresponds to July 1, x = 2 to July 2, and so on. On what day does f estimate the population to be 8550?
A. July 12th B. July 11th C. July 14th D. July 13th
Factor out the greatest common factor.21m9 + 27m6 - 15m2
A. 3m2(7m7 + 9m4 - 5) B. m2(21m7 + 27m4 - 15) C. 3(7m9 + 9m6 - 5m2) D. no common factor
Simplify the complex fraction.
A. -6x + 13
B. 
C. 6x - 13
D. 7x + 12