Provide an appropriate response.
Find the direction in degrees (to the nearest 0.1°) of the vector It (total current) in the given figure. 
A. 51.1°
B. 52.1°
C. 38.9°
D. 37.9°
Answer: B
Mathematics
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.24 B. 2 C. 0.27 D. 0.51
Mathematics
Solve the problem.Suppose that the population of a town can be approximately modeled by the formula 
where t is the time in years after 1980 and P is the population of the town in thousands. Find an expression for 
in terms of t.
A. dP/dt = 
B. dP/dt = 
C. dP/dt = 
D. dP/dt = 
Mathematics
Solve and graph. Write the answer in set-builder notation.-2x > -8
A. 
B. 
C. 
D. 
Mathematics
Graph the ellipse.25(x - 2)2 + 9(y + 4)2 = 225
A. 
B. 
C. 
D. 
Mathematics