Simplify.i12
A. -1
B. -i
C. 1
D. i
Answer: C
Mathematics
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Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 
, y = 2t + 3; 0 ? t ? 4
A. y = -3x2 + 17; 0 ? x ? 2 B. y = 2x2 + 3; 0 ? x ? 2 C. y = -3x + 17; 0 ? x ? 2 D. y = 3x2 + 2; -1 ? x ? 2
Mathematics
Find the intersection of the sets.{-5, -1, 3, 6} ? {-4, 0, 4, 8}
A. {0} B. {-1, 0, 3} C. ? D. {-5, -4, -1, 0, 3, 4, 6, 8}
Mathematics
Find the sum of the first 26 terms of an arithmetic sequence with 15th term of 
and a common difference of 
.
?
A. 
B. 
C. 
D. 
E. none of the above
Mathematics
Simplify.(9x)(6x3)(x4)
A. 16x8 B. 54x7 C. 15x7 D. 54x8
Mathematics