Determine whether the relation is a function.
A. Not a function
B. Function
Answer: A
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Find a rectangular equation equivalent to the given pair of parametric equations.x = 2 cos t, y = 3 sec t; - 
< t < 
A. y = 6x; 0 < x ? 2
B. y = 
; 0 < x ? 2
C. y = 4x; 0 < x ? 2
D. y = 
; 0 < x < 2
Fill in the blank with one of the words or phrases listed below. 
The 
helps us find the number and type of solutions of a quadratic equation.
A. completing the square B. discriminant C. quadratic formula D. quadratic
Perform the indicated operation. Give answer in standard form.
A. 8 + 8i B. 7 + 7i C. 7 + 16i D. 7 + 8i
Determine whether the infinite geometric series converges. If the series converges, determine the limit.60 + 12 + 
+ 
+ ...
A. Converges; 50 B. Converges; - 9360 C. Converges; 75 D. Diverges