Compute the determinant of the matrix by cofactor expansion.
A. 14
B. 28
C. -28
D. 56
Answer: D
Mathematics
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Find the absolute value.
A. Not defined B. -1 C. 0 D. 1
Mathematics
For the compound inequality, give the solution set in both interval and graph forms.x ? 2 and x ? -3
A. (2, ?)
B. (-?, 2]
C. [2, ?)
D. (-?, -3]
Mathematics
Find the end behavior of the polynomial function. f(x) = -x3 + 2x2 + 7x - 8
A. f(x) ? ? as x ? -?; f(x) ? ? as x ? ? B. f(x) ? -? as x ? -?; f(x) ? -? as x ? ? C. f(x) ? -? as x ? -?; f(x) ? ? as x ? ? D. f(x) ? ? as x ? -?; f(x) ? -? as x ? ?
Mathematics
Is the set of even natural numbers closed for the operation of multiplication?Answer yes or no.
What will be an ideal response?
Mathematics