Find a polar equation for the circle.x2 + 
x + y2 = 0
A. r = - 
cos ?
B. r = 
sin ?
C. r = 
cos ?
D. r = - 
sin ?
Answer: A
Mathematics
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Graph the function on the indicated interval.y = 
cos (?x), 0 ? x ? 4 
A. 
B. 
C. 
D. 
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Find the linearization of the function at the given point.
at 
A. 
B. 
C. 
D. 
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.3x2 + 6x = - 1
A. 
B. 
C. 
D. 
Mathematics
Find the average inventory.
A. $76,064.00 B. $63,874.20 C. $79,842.75 D. $319,371.00
Mathematics