Convert the polar equation to rectangular form. Identify the curve.? = 
A. y = - 
x2; a circle centered at (0, 0) with radius 1
B. y = 
x; a line with slope - 
and y-intercept 0
C. x2 + y2 = 1; a circle centered at (0, 0) with radius 1
D. y = - 
x; a line with slope - 
and y-intercept 0
Answer: D
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Give a verbal description of the subset of real numbers represented by the following inequality and sketch the subset on the real number line. ? x ? 3 ?
A. x ? 3 denotes the set of all real numbers less than or equal to 3.
B. x ? 3 denotes the set of all real numbers greater than or equal to 3.
C. x ? 3 denotes the set of all real numbers less than or equal to 3.
D. x > 3 denotes the set of all real numbers greater than 3.
E. x ? 3 denotes the set of all real numbers less than or equal to 3.
Reverse the order of integration and then evaluate the integral.
A. 
B. 3
C. 
(1 - cos 4)
D. 3(1 - cos 4)
Find the distance between the pair of points. Express your answer in simplest radical form.(4, 2) and (7, 3)
A. 2
units
B. 
units
C. 10 units
D. 8 units
Solve the system of equations by substitution.
A. x = -5, y = -2; (-5, -2) B. x = 5, y = -2; (5, -2) C. x = 5, y = 2; (5, 2) D. x = -5, y = 2; (-5, 2)