Find the root. Assume that all variables represent positive numbers.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = 
sin 
, s(?2) = 2
A. s = -2 cos 
+ 8.2134
B. s = 2 cos 
+ 4
C. s = -2 cos 
+ 4
D. s = -2 cos 
+ 3.3073
Add or subtract as indicated.(17x + 6xy - 19y) - (9x - 24xy - 30y)
A. 8x - 30xy - 49y B. 49xy C. 8x + 30xy + 11y D. 11x - 8xy + 49
A function and its first and second derivatives are given. Use these to find any points of inflection. Round your answers to two decimal places.
?
A. 
B. 
C. 
D. 
E. no points of inflection
The differential equation 
is
Select the correct answer.
?
A. first order linear B. second order linear C. third order linear D. first order nonlinear E. second order nonlinear