Find the determinant.det 
A. 57
B. -21
C. -12
D. -57
Answer: D
Mathematics
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Find an equation for the described linear function.Through 
and perpendicular to 
A. y = 8x - 
B. y = 8x + 
C. y = 
x + 
D. y = -8x + 
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 11
B. 13
C. 12
D. 12
Mathematics
Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = x3 + 8, g(x) = 
A. Yes, no B. No, no C. Yes, yes D. No, yes
Mathematics
Solve the inequality by using the graph of the function.f(x) < 0, where f(x) = 
< 0 
A. (-?, 2] ? [6, ?) B. (-?, 2) ? (6, ?) C. [2, 6] D. (-?, 0) ? (2, 6)
Mathematics