Given matrix A, find the indicated cofactor.Find A21.A = 
A. 4
B. -4
C. -15
D. 15
Answer: C
Mathematics
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Perform the operation(s). (Write fractional answers in simplest form.)
?
?
?
A. 4
B. 
C. 10
D. 
E. 
Mathematics
Find the domain and range of the inverse of the given function.f(x) = x3 + 3
A. Domain and range: all real numbers B. Domain: [0, ?); range: [0, ?) C. Domain: [3, ?); range: all real numbers D. Domain: all real numbers; range: [3, ?)
Mathematics
Evaluate. The differential is exact.
A. 0 B. 192 C. 96 D. 296
Mathematics
List the terms of the expression.4x3 + 5x2 - 3x + 6
A. 4x3, 5x2, -3x, 6 B. 4, x3, 5, x2, -3, x, 6 C. 4x3, 5x2, 3x, 6 D. 4x3 + 5x2, -3x + 6
Mathematics