Evaluate the algebraic expression for the given value of the variable.-3y2 for y = -2
A. 12
B. 6
C. -12
D. -6
Answer: C
Mathematics
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Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 5(cos 200° + i sin 200°), z2 = 4(cos 50° + i sin 50°)
A. 
(cos 40° + i sin 40°)
B. 
(cos 40° + i sin 40°)
C. 
(cos 150° + i sin 150°)
D. 
(cos 150° + i sin 150°)
Mathematics
Find the domain of the function.
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Mathematics
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.f(2?)
A. 
B. 
C. - 
D. - 
Mathematics
Give an equation for the y-axis.
Fill in the blank(s) with the appropriate word(s).
Mathematics