Use interval notation to express the inequality shown in the graph.
A. (5, ?)
B. [5, ?)
C. (-?, 5]
D. (-?, 5)
Answer: C
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Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is launched from level ground at a launch angle of 26° and an initial speed of 48 m/sec. How far away from the launch point does the projectile hit the ground?
A. ? 60 m B. ? 230 m C. ? 290 m D. ? 185 m
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 3x3 - 7x2 + 4x + 6
A. 0 or 1 positive; 0 or 1 negative B. 0 or 2 positive; 1 negative C. 0 or 1 positive; 2 negative D. 0 positive; 1 or 2 negative
Graph the function.y = 2 cot
A. 
B. 
C. 
D. 
Solve the quadratic equation by the square root property.(2x - 5)2 = 121
A. {-16, 6} B. {-8, 3} C. {-6, 16} D. {-3, 8}