Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
(log4 x + log4 y) - 2 log4 (x + 3)
A. log4 
B. log4 
C. log4 
D. log4 
Answer: B
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Find the length of the curve.The spiral r = 8?, 0 ? ? ? ?
A. 
B. 4(?
+ ln (? + 
))
C. 8
D. 
((?2 + 1)3/2 - 4)
Find the amplitude, period or phase shift.Find the phase shift of y = -4 - 3sin
.
A. 
to the right
B. 
to the left
C. 
to the right
D. 
to the left
Graph the parabola.y = x2 + 2x - 5
A. 
B. 
C. 
D. 
Find the partial derivative of the dependent variable or function with respect to each of the independent variables.f(x, y) = sin2 (4xy2 - y)
A. 
= 8y2sin (4xy2 - y) cos (4xy2 - y); 
= 2sin (4xy2 - y) cos (4xy2 - y)
B. 
= 8y2sin (4xy2 - y) cos (4xy2 - y); 
= (16xy - 2) sin (4xy2 - y) cos (4xy2 - y)
C. 
= 2sin (4xy2 - y) cos (4xy2 - y); 
= 2sin(4xy2 - y) cos(4xy2 - y)
D. 
= 2sin (4xy2 - y) cos (4xy2 - y); 
= (16x - 2) sin (4xy2 - y) cos (4xy2 - y)