Solve the rational equation.
+ 
= 
A. 4, 3
B. -3, -4
C. -6, 5
D. empty set
Answer: D
Mathematics
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Solve the problem.The position(in feet) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. Find the object's velocity at time t.
A. v = A cos 
ft/sec
B. v = A
cos 
ft/sec
C. v = - A
cos 
ft/sec
D. v = A
cos 
ft/sec
Mathematics
Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 5 units upward
A. y = 
+ 5
B. y = 
C. y = 
D. y = 
- 5
Mathematics
Find the slope of the line going through the given pair of points.(-7, -4) and (-7, 3)
A. - 
B. 7
C. - 7
D. Undefined
Mathematics
Divide.9 ÷ 
A. 21
B. - 
C. -21
D. -3
Mathematics