Solve the matrix equation for X.Let A = 
and B = 
;
4X + A = B
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Answer: B
Mathematics
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At what points is the given function continuous?f(x, y, z) = 
A. All (x, y, z) such that x2 + y2 ? 81 B. All (x, y, z) such that x2 + y2 ? 0 C. All (x, y, z) D. All (x, y, z) such that x2 + y2 ? 9
Mathematics
Tell whether the statement is true or false.cos 
= cos 
cos 
- sin 
sin 
A. True B. False
Mathematics
Find all real solutions of the equation.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Express in terms of sums and differences of logarithms.logb
A. 4logbm + 2logbp - 5logbn + 8 B. 4logbm ? 2logbp ÷ 5logbn - 8 C. 4logbm + 2logbp - 5logbn - 8 D. logb (m4p2 - n5b8)
Mathematics