Simplify.
A. 1
B. 0
C. 
D. -1
Answer: C
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Solve the problem.Find an upper bound for 
in estimating 
with n = 4 steps.
A. 
B. 
C. 0
D. 
Find all the second order partial derivatives of the given function.f(x, y) = cos (xy2)
A. 
= - y2 sin xy2; 
= 2y
; 
= 
= 2
B. 
= -y4 cos xy2; 
= - 2x[2xy2 cos (xy2) + sin(xy2)]; 
= 
=
- 2y[xy2 cos (xy2) + sin(xy2)];
C. 
= y2 sin xy2; 
= 2[2y2 cos (xy2) - sin (xy2)] ; 
= 
= 2y[y2 cos (xy2) - sin (xy2)]
D. 
= - y2 sin xy2; 
= 2[ sin (xy2)- 2y2 cos (xy2)] ; 
= 
= 2y [sin (xy2)-y2 cos (xy2)]
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4(16x)
A. 2log4x B. 2x C. 8 + log4x D. 2 + log4x
Answer the question.In the equation 2x + y = 12, the value of x is 4. What is the corresponding value of y?
A. y = 10 B. y = 6 C. y = 4 D. y = 2