Evaluate the expression xy for the given values of the variables.x = -3.43, y = -6.1
A. -2.67
B. 9.53
C. 20.923
D. -9.53
Answer: C
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Evaluate the expression using logarithms. Round to the nearest tenth.4.7 
A. 18,343.5 B. 4.1 C. 38.0 D. 1.6
Solve the problem.Suppose that an object's acceleration function is given by 
The object's initial velocity is 4, and the initial position is 9. Find the object's displacement as a function of time.
A. s = 
t3 + 3t2 + 4t
B. s = 
t3 + 3t2 + 9t + 4
C. s = 2t2 + 6t + 4
D. s = 
t3 + 3t2 + 4t + 9
Provide an appropriate response.A train holds 200 passengers and departs daily at 8:00 A.M.(a)Write the daily departure time as a function of the number of people on the train.(b)How does the departure time change as the number of people on the train increases?(c)What kind of function is this?
What will be an ideal response?
Graph the pair of parametric equations in the rectangular coordinate system.x = t2, y = 
+ 5; 0 ? t ? 4 
A. 
B. 
C. 
D. 