Solve the equation.
+ 
= 
A. -3, -4
B. 4, 3
C. -6, 5
D. No solutions
Answer: D
Mathematics
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Find the directrices of the hyperbola.x2 - y2 = 16
A. x = ± 
B. x = ± 
C. y = ± 4
D. y = ± 
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Sketch the graph of the function and its inverse on the same coordinate axes.f(x) = 
x + 3 
A. 
B. 
C. 
D. 
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Introduce slack variables as necessary, and write the initial simplex tableau for the problem.Find x1 ? 0 and x2 > 0 such that x1 + x2 ? 303x1 + 2x2 ? 602x1 + 3x2 ? 90and z = x1 + 2x2 is maximized. 
A. 
B. 
C. 
D. 
Mathematics
Simplify by using the distributive law and combining like terms.-5(5m + 2) + 3(2m - 2)
A. 7m - 16 B. -19m - 16 C. -19m + 4 D. -19m + 0
Mathematics