Simplify. Write your answer in the form a + bi, where a and b are real numbers.(14 + 8i) - (6 + 4i)
A. -8 + 4i
B. 8 - 4i
C. 8 + 4i
D. -8 - 4i
Answer: C
Mathematics
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A. (2, 4, 0) B. (-2, 8, 2) C. (4, 4, 0) D. (2, 4, -2)
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Solve the system of equations using the inverse of the coefficient matrix.
A. x = 4, y = -3 B. x = -3, y = 4 C. x = 3, y = -4 D. x = -4, y = 3
Mathematics
Determine whether the given inequality is quadratic.x(x + 4) - 6 < -4
A. No B. Yes
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 4, v(2) = -2, v '(2) = -5.
at x = 2
A. - 
B. 
C. - 
D. 
Mathematics