Sketch D and g(D) from the description of D and change of variables 
x = u2 - v2, y = 2uv where D is the rectangle 0 ? u ? 1, 0 ? v ? 1
A.
 ? |  |
B. None of these.
C.
 ? |  |
D.
 ? |  |
Answer: C
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Use two equations in two variables to find the following integers.Twice one integer plus another integer is 13. The first integer plus 3 times the second is 19.
A. 6, 3 B. 4, 5 C. 3, 5 D. 3, 6 E. 6, 6
Solve the problem. Assume projectile is ideal, launch angle is measured from the horizontal, and launch is over a horizontal surface, unless stated otherwise.A fan in the bleachers at Wrigley Field throws an opposing player's home run back onto the playing field. Assume that the fan is 30 feet above the field and that the ball is launched at an angle of 33°. When will the ball hit the ground if its initial speed is 27 ft/sec? Round answer to the nearest tenth.
A. 1.9 sec B. 2.2 sec C. 1.0 sec D. 4.4 sec
Provide an appropriate response.Identify the equation y = 2x2 - 5x + 3 as a linear, quadratic or other.
A. linear B. other C. quadratic
Write a fourth-degree polynomial equation with real coefficients and the roots 3, 4, 3 + i. ?
A. 
B. 
C. 
D. 
E. none of these