Find the product.-11x(12x + 3)

A. -132x2 - 33x
B. 12x2 - 33x
C. -165x2
D. -132x2 + 3x


Answer: A

Mathematics

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Determine the phase shift of the function.y = 5 cos 

A.  units to the right
B. ? units to the left
C. 5? units to the right
D.  units to the left

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Perform the following operation. ? ?

A. ?
B. ?
C. ?
D. ?
E. ?

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x? = x(0.04 ? 0.001x ? 0.003y) , y? = y (0.002 ? 0.0016x ? 0.0005y) , x (0) = 4, y (0) = 2

For the systems of differential equations, use Euler’s method with ?x = 2 to plot the trajectory of x and y to plot the trajectory for 0 ? t ? 500 .

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Write the equation in slope-intercept form.9x + 2y = 10

A. y = x - 5
B. y = x + 5
C. y = - x + 5
D. y = 9x - 10

Mathematics