Solve the inequality. Use algebra to solve the corresponding equation.x2 + 1 ? 0
A. (-?, 1)
B. (-?, ?)
C. No solution
D. (1, ?)
Answer: B
Mathematics
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Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
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Use ex = 
, for -? < x < ?, to find the power series representation for the given function.f(x) = e3x
A. 
B. 
C. 
D. 
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Solve the problem.The mathematical model 
represents the cost in dollars a company has in manufacturing x items during a month. How many items were produced if costs reached $300,000?
A. 1000 items B. 299,600 items C. 500 items D. 250 items
Mathematics
Find the square roots of the number.576
A. -25, 25 B. -24, 24 C. -26, 26 D. -48, 48
Mathematics