Find all solutions of the equation in the interval [0, 2?).sec
+ 
= 0
A. 
B. 
C. 
D. 
Answer: B
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Sketch the graph of the equation. Identify the vertex and the intercepts.y = 2x2 - 5x - 7
A. Opens: Down;
Vertex: 
;
x-intercepts: (-1, 0) and 
;
y-intercept: (0, 7)
B. Opens: Up;
Vertex: 
;
x-intercepts: (-1, 0) and 
;
y-intercept: (0, -7)
C. Opens: Up;
Vertex: 
;
x-intercepts: (-1, 0) and (7, 0);
y-intercept: (0, -7)
D. Opens: Up;
Vertex: 
;
x-intercepts: (1, 0) and 
;
y-intercept: (0, -7)
Solve.The highest point at an oil drilling operation is the top of the 71-foot-high oil drilling rig. The lowest point the drill head has reached so far is -213 feet. How far above the drill head is the top of the oil drilling rig?
A. 284 ft B. -213 ft C. 142 ft D. -284 ft
Describe the sample space for the experiment.An 8-sided die (sides numbered 1, 2, 3, 4, 5, 6, 7, 8) is rolled.
A. None of these B. {64} C. {8} D. {1, 2, 3, 4, 5, 6, 7, 8}
Provide an appropriate response.Find the area of a circle whose radius is 3 ft 8 in. (round to the nearest hundredth of an inch).
What will be an ideal response?