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