Solve, finding all solutions in [0°, 360°).csc2? - 2 = 0
A. 45°, 135°, 225°, 315°
B. No solution
C. 60°, 120°, 240°, 300°
D. 45°, 225°
Answer: A
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ex+y
A. Domain: all points in the x-y plane; range: all real numbers; level curves: lines x + y = c B. Domain: all points in the first quadrant of the x-y plane; range: real numbers z > 0; level curves: lines x + y = c C. Domain: all points in the first quadrant of the x-y plane; range: all real numbers; level curves: lines x + y = c D. Domain: all points in the x-y plane; range: real numbers z > 0; level curves: lines x + y = c
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Name the property illustrated by the sentence.5 + 0 = 5
A. Additive inverse property B. Commutative property of addition C. Additive identity property D. Associative property of addition
Find the focus and the directrix of the parabola.(x + 2)2 = 8(y + 1)
A. Focus: (-2, 1); directrix: x = -3 B. Focus: (-2, 1); directrix: y = -3 C. Focus: (-1, 0); directrix: y = -4 D. Focus: (-2, -3); directrix: y = 1