Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.
A. 0.47
B. 0.82
C. 
D. 0
Answer: C
Mathematics
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Find 
and 
.f(x, y) = sin2 (2xy2 - y)
A. 
= 4y2sin (2xy2 - y) cos (2xy2 - y); 
= 2sin (2xy2 - y) cos (2xy2 - y)
B. 
= 2sin (2xy2 - y) cos (2xy2 - y); 
= (8x - 2) sin (2xy2 - y) cos (2xy2 - y)
C. 
= 2sin (2xy2 - y) cos (2xy2 - y); 
= 2sin(2xy2 - y) cos(2xy2 - y)
D. 
= 4y2sin (2xy2 - y) cos (2xy2 - y); 
= (8xy - 2) sin (2xy2 - y) cos (2xy2 - y)
Mathematics
Give the equation of the horizontal asymptote, if any, of the function.f(x) = 
A. y = 3 B. y = 5 C. y = 1 D. none
Mathematics
Solve the problem.Find the remainder when x34 - 16 is divided by x - 1.
A. 15 B. -15 C. 17 D. -17
Mathematics
Find an equation for the ellipse.Center at (0, 0); focus at (0, -3); vertex at (0, 4)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics