Find z1z2. Write the answer in polar form with the argument between 0° and 360°.z1 = 1 - 
i, z2 =2 - 2i
A. 4
(cos 345° + i sin 345°)
B. 4(cos 345° + i sin 345°)
C. (2 + 2
)(cos 255° + i sin 255°)
D. 4
(cos 255° + i sin 255°)
Answer: D
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Find the indicted product and simplify if possible.Measurements concerning the volume of liquid flowing through a valve result in the expression 
A. 3F5 + 9F3 - 4F2 + 4F - 16 B. 3F6 - 3F4 + 12F3 - 4F2 + 4F - 16 C. 3F5 - 3F4 + 12F3 - 4F2 - 4F - 16 D. 3F5 - 3F4 + 12F3 - 4F2 + 4F - 16
You are required to calculate the total caloric intake of a patient. At breakfast, he consumed 650 calories, at lunch, 1025 calories, and at supper, 1150 calories. Find the total calories consumed by this patient today.
A. 1825 calories B. 2175 calories C. 2825 calories D. 1800 calories
Graph the ellipse and label the center.
+ 
= 1
A. C(-3, -11)
B. C(10, 2)
C. C(-10, -2)
D. C(3, 11)
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: 
, y-intercept: (0, 2) ;
B. x-intercept: 
, y-intercept: (0, 2) ;
C. x-intercept: 
, y-intercept: (0, 2) ;
D. x-intercept: 
, y-intercept: (0, 2) ;