Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 3
B. 
C. 7
D. 
Answer: D
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Find all the first order partial derivatives for the following function.f(x, y, z) = cos x sin2 yz
A. 
= -sin x sin2 yz; 
= z cos x sin yz cos yz; 
= y cos x sin yz cos yz
B. 
= -sin x sin2 yz; 
= 2z cos x sin yz cos yz ; 
= 2y cos x sin yz cos yz
C. 
= sin x sin2 yz; 
= -2z cos x sin yz cos yz; 
= - 2y cos x sin yz cos yz
D. 
= sin x sin2 yz; 
= - cos x sin yz cos yz; 
= -cos x sin yz cos yz
Graph the polar equation.r2 = 51 sin 4?
A. 
B. 
C. 
D. 
Find the total surface area and the volume of the following right prism. (Round to the nearest tenth.)
A. T = 25 ft2, V = 5 ft3 B. T = 20 ft2, V = 4 ft3 C. T = 40 ft2, V = 8 ft3 D. T = 28 ft2, V = 7 ft3
Determine whether the relation defines y as a function of x. Give the domain.y2 = 6x
A. Not a function; domain: (-?, 0] B. Function; domain: (-?, ?) C. Not a function; domain: [0, ?) D. Function; domain: (-?, 0]