Factor completely.16x2 - 56x - 32
A. 8(2x - 1)(x + 4)
B. (16x - 8)(x + 4)
C. (2x - 1)(8x + 32)
D. 8(2x + 1)(x - 4)
Answer: D
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = x8e8x + y10z8
A. F = (8 + 8x)x7e8xi + (x8e8x + 10y9z8)j + (x8e8x + 8y10z7)k B. F = (1 + x)x7e8xi + y9z8j + y10z7k C. F = (8 + 8x)x7e8xi + 10y9z8j + 8y10z7k D. F = (8 + 8x)x7e8xi + 10y9j + 8z7k
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Use the given information to find the exact value of the trigonometric expression.cos ? = 
; The terminal side of ? lies in Quadrant IV.
Find sin 2?.
A. - 
B. 
C. 
D. - 
Mathematics
Multiply. Write the result in the form a + bi.(6 + 3i)2
A. 45 + 36i B. 45 - 36i C. 27 + 36i D. 27 - 36i
Mathematics