Solve the problem.Find the equation of a circle in standard form with center at the point (-3, 2) and tangent to the line y = 4.
A. (x + 3)2 + (y - 2)2 = 16
B. (x - 3)2 + (y + 2)2 = 4
C. (x - 3)2 + (y + 2)2 = 16
D. (x + 3)2 + (y - 2)2 = 4
Answer: D
Mathematics
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Find the limit, if it exists.
A. 1 B. 0 C. Does not exist D. -1
Mathematics
Solve the problem.The number of items sold of a new product can be approximated by S(t) = 225 + 300 log (3t + 1) where t is the number of months since the item first became available. Find the number of items sold after 33 months.
A. 6225 B. 67,500 C. 825 D. 3225
Mathematics
Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 5, at the point (2, 1)
A. 
= - 2; 
= -5
B. 
= - 2; 
= 1
C. 
= 2; 
= 5
D. 
= - 
; 
= 0
Mathematics
Find an equation for the graph.
A. y = 
cos (4x)
B. y = 
cos 
C. y = 
cos 
D. y = cos (4x)
Mathematics