Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A.
B.
C.
D.
Answer: C
Mathematics
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Sketch the graph of the pair of functions. Use a dashed line for g(x).f(x) = x2 , g(x) = - (x + 3)2 + 4
A.
B.
C.
D.
Mathematics
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation S = A + B sin ?x/6, where x is the time in months, with x = 1 corresponding to January, A = 6700, and Determine the month with the greatest total sales and give the sales in that month.
A. March; $9500 B. September; $3900 C. December; $9500 D. June; $6700
Mathematics
Find the volume of the rectangular solid.
10 in.8 in.4 in.
A.
B.
C.
D.
E.
Mathematics
Find the domain of the function. Express the answer in interval notation.f(x) =
A. [8, ?) B. [-8, ?) C. (-?, 8) D. (-?, -8)
Mathematics