Graph the system of inequalities.x2 + y2 ? 815x + 4y ? 20
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.The accompanying figure shows the graph of y = x2 shifted to a new position. Write the equation for the new graph.
A. y = x2 + 3 B. y = x2 - 3 C. y = (x - 3)2 D. y = (x + 3)2
Mathematics
Solve the proportion.
= 
A. 0.13 B. 2 C. 20 D. 8.0
Mathematics
Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the semicircle y = 
if the density of the wire is 
.
A. 
= 0, 
= 1
B. 
= 
, 
= 
C. 
= 0, 
= 
D. 
= 1, 
= 1
Mathematics
Solve the equation. Give an exact solution.5 ln x = 8
A. e8/5
B. 
C. 40e
D. e3
Mathematics