Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 12(cos 36° + i sin 36°), z2 = 3(cos 12° + i sin 12°)
A. 4(cos 48° + i sin 48°)
B. 9
C. 4(cos 24° + i sin 24°)
D. 9(cos 24° - i sin 24°)
Answer: C
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Graph the exponential function.y = - 
x 
A. 
B. 
C. 
D. 
Find the inflection points, if any, of the function. Otherwise, answer no solution.
?
What will be an ideal response?
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -(x - 4)2 + 7
A. 
B. 
C. 
D. 
A man wanted to board a plane with a 5.4-ft-long steel rod, but airline regulations say that the maximum length of any object or parcel checked on board is 4 ft. Without bending or cutting the rod, or altering it in any way, how did the man check it through without violating the rule? ?
A. Put it horizontally. B. Put it along the diagonal. C. Put it vertically. D. Put it along the width. E. It is not possible without bending or cutting the rod.