Provide an appropriate response.Plot the point 
and find other polar coordinates (r, ?) of the point for which: (a)r > 0, -2? ? ? < 0 (b) r < 0, 0 ? ? < 2? (c) r > 0, 2? ? ? < 4?
A. (a) 
, (b) 
, (c) 
B. (a) 
, (b) 
, (c) 
C. (a) 
, (b) 
, (c) 
D. (a) 
, (b) 
, (c) 
Answer: C
Mathematics
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. ?
Given that y = 9, express angle A in terms of x. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = sin-1 
B. A = tan-1 
C. A = tan-1 
D. A = sin-1 
Mathematics
Find the limit, if it exists.
A. 0 B. Does not exist C. -1 D. 5
Mathematics
Provide an appropriate response.Choose the inequality corresponding to the graph:
A. y ? 
x + 1
B. y > 
x + 1
C. y ? 
x + 1
D. y < 
x + 1
Mathematics
Add. Write the answer in lowest terms as a mixed number.
A. 11
B. 12
C. 11
D. 10
Mathematics