Perform the matrix operation.Let C =
. Find (1/2) C.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the extreme values of the function and where they occur.y = 
A. Absolute maximum is - 
at x = 0; absolute minimum is 1 at x = -2.
B. Absolute maximum is 3 at x = 0; absolute minimum is 
at x = -2.
C. None
D. Absolute maximum is 
at x = 0; absolute minimum is - 1 at x = -2.
Mathematics
Decide if the given equation is a solution of the given differential equation.
= 2xy2, y = - 
A. Yes B. No
Mathematics
Simplify the expression.(1 + cot ?)(1 - cot ?) - csc2 ?
A. 2 cot2 ? B. 0 C. -2 cot2 ? D. 2
Mathematics
Complete.0.631 mL = ____ L
A. 0.00631 B. 631 C. 63.1 D. 0.000631
Mathematics