Plot the graph of the equation. Check for symmetries and find all x- and y-intercepts.x2 + y2 + 4y - 2 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use a graphing calculator or computer to determine which of the given viewing windows displays the most appropriate graph of the specified function.f(x) = x2 + 
cos 80x
A. [-2, 2] by [-1, 1] B. [-0.6, 0.6] by [-0.1, 0.6] C. [-10, 10] by [-10, 10] D. [-0.1, 0.1] by [-0.1, 0.1]
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."The product of 18 and a number, added to 14
A. 14 + 18x B. 18 + 14x C. 252x D. 252 + x
Mathematics
The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
(4, -4)
A. (4
, 45°)
B. (4
, 225°)
C. (4
, 315°)
D. (4
, 135°)
Mathematics
Find the special product.(2x - 9)2
A. 4x2 + 81 B. 2x2 + 81 C. 4x2 - 36x + 81 D. 2x2 - 36x + 81
Mathematics