Find all real solutions of the equation.
?
?
A. 
B. ?
C. ?
D. ?
E. no solution
Answer: C
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Calculate the requested distance.the distance from the point S(2, -8, 1) to the line x = -6 + 2t, y = -10 + 10t, 
A. 
B. 
C. 
D. 
Explain how to obtain the graph of the second function from the graph of the first function, or state that the graphs are identical.y = cos x, y = -cos(x + 2?)
A. Translate the graph 2? units to the right, and then reflect it over the y-axis. B. Translate the graph 2? units to the right. C. Translate the graph 2? units to the left, and then reflect it over the x-axis. D. The graphs are identical.
Write the equation of the ellipse that has its center at the origin with focus at 
and vertex at 
.
?
A. 
B. 
C. 
D. 
E. none of these
Decide whether or not the functions are inverses of each other. 
, g(x) =
A. Yes B. No