Use the order of operations to simplify the expression.
? 
A.
B.
C.
D.
Answer: D
Mathematics
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Write the augmented matrix for the system of linear equations.
A.
B.
C.
D.
Mathematics
Determine whether the function is periodic. If it is periodic, find the period.f(x) = 4
A. ?
B.
C. Not periodic
D. 2?
Mathematics
A joint variation is . If
, and
, find
. Round your answer to two decimal places.
A. 48 B. 0.75 C. 1.3 D. 8 E. none of these
Mathematics
Use Lagrange multipliers to maximize the function subject to the following constraint.
?
?
?
Assume that x and y are positive.
?
A. ?
B. 5?
C. 69?
D. ?
E. no absolute maximum
Mathematics