Write the inequality using interval notation, and illustrate the inequality using the real number line.-4 < x < -3
A. [-4, -3)
B. [-4, -3]
C. (-4, -3)
D. (-4, -3)
Answer: D
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = (-y - ey cos x)i + (y - ey sin x)j ; C is the right lobe of the lemniscate r2 = cos 2? that lies in the first quadrant.
A. 0
B. 
C. 1
D. 
Solve the equation.x(x + 8) - 8 = x2 + 3x + 1
A. 
B. 
C. 9
D. 
Identify the triangle PQR as isosceles, equilateral, or scalene.P(-3, -1), Q(-1, -4), R(-8, -4)
A. Isosceles B. Scalene C. Equilateral
Solve the problem.Two hikers on opposite sides of a canyon each stand precisely 525 meters above the canyon floor. They each sight a landmark on the canyon floor on a line directly between them. The angles of depression from each hiker to the landmark meter are 37° and 21°. How far apart are the hikers? Round your answer to the nearest whole meter.
A. 2064 m
B. 1064 m
C.
| 2063 m |
D. 2065 m