Simplify.
A. -(x + 4)
B. -(x - 4)
C. 4x(x + 4)
D. x + 4
Answer: A
Mathematics
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Find the derivative of y with respect to x.y = sin-1 (e6t)
A. 
B. 
C. 
D. 
Mathematics
Write in terms of i.- 
A. 3i
B. 3
C. -3
D. -3i
Mathematics
Factor out the greatest common factor with a negative coefficient.-42x9y9 - 60x7y6 + 24x5y2
A. -6x5y2(7x4y7 - 10x2y4 + 4) B. -6(7x9y9 - 10x7y6 - 4x5y2) C. -6x5y2(7x4y7 + 10x2y4 - 4) D. -6x5(7x4y9 - 10x2y6 + 4y2)
Mathematics
Identify the degree of the polynomial.-a + 8a3 - 6a7 + 5a2
A. 13 B. 3 C. 12 D. 7
Mathematics