Solve the polynomial inequality and graph the solution set on a number line.3x2 + 14x - 5 ? 0
A. [-5, ?)
B. 
C. 
D. (-?, -5] ? 
Answer: B
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Find the slope of the line going through the given pair of points.(-2, 2) and (-6, 2)
A. 4 B. 0 C. Undefined D. -4
Solve the problem.A company predicts that sales will increase rapidly after a new product is released, with the number of units sold weekly modeled by N = 3000(0.2)0.7t, where t represents the number of weeks after the product is released. Use graphical or numerical methods to find the first week in which 2250 units were sold.
A. 3rd week B. 5th week C. 6th week D. 7th week
Solve the problem. x + 2y - z = 6 3x + 2y + z = 10(x + 2y)2 - z2 = 12
A. {(4, 0, -2)} B. {(5, 0, -3)} C. {(4, 0, -3)} D. {(5, 0, -2)}
Solve the inequality. Give the solution set in both interval and graph forms.9x - 1 < -19 and -5 - 6x > 1
A. (-?, -2) ? (-1, ?)
B. (-2, -1)
C. (-?, -1)
D. (-?, -2)