Solve the rational inequality and graph the solution set on a real number line. 
? 0
A. (-?, -6] ? [-5, ?)
B. [-5, ?)
C. (-6, -5]
D. (-?, -6) ? [-5, ?)
Answer: D
Mathematics
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Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered pair.5x - 2y = -1 x + 4y = 35
A. (2, 8) B. (3, 9) C. (3, 8) D. (2, 9)
Mathematics
Draw the logic circuit that represents the logical statement. Determine the output given the variable values.((p ? q) ? ~(p ? q)) ? r; for p =0, q =0, r = 1
A. output = 0
B. output = 1
C. output = 1
D. output = 0
Mathematics
Is the following statement true or false?20 ? 6
A. True B. False
Mathematics
Use the definition f'(x) = 
to find the derivative at x.f(x) = 21x - 3
A. 21x B. 18 C. -21 D. 21
Mathematics