Use Gauss-Jordan row reduction to solve the given system of equations.
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What will be an ideal response?
Mathematics
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Evaluate the integral.
dx
A. 15
B. 
C. 
D. 
+ C
Mathematics
Classify as equivalent inequalities, equivalent equations, equivalent expressions, or not equivalent.-5t ? 15, t ? -3
A. Not equivalent B. Equivalent equations C. Equivalent expressions D. Equivalent inequalities
Mathematics
Find the composition. If f(x) = 2x2 - 4x and g(x) = -2x, find (g ? f)(x)
A. 8x2 - 4x B. 2x2 - 8 C. -4x2 + 8x D. -4x3 + 8x2
Mathematics
Find the sum or difference.(2x7 + 6x9 - 7 - 7x8) - (2 - 2x8 + 3x9 - 7x7)
A. 3x9 - 9x8 - 5x7 - 5 B. 3x9 - 5x8 + 9x7 - 9 C. 9x9 - 9x8 - 5x7 - 5 D. 9x9 - 9x8 - 5x7 - 9
Mathematics