Find 
by using logarithmic differentiation.y = (x3 + 1)2(x - 1)4x2
A. 
+ 
+ 
B. (x3 + 1)2(x - 1)4x2(2ln(x3 + 1) + 4ln(x - 1) + 2ln x)
C. (x3 + 1)2(x - 1)4x2
D. (x3 + 1)2(x - 1)4x2
Answer: C
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The curve x = 5- 10cos²t, y = tant(1 - 2cos²t) cross itself at some point  FIGURE 1.png)
. Find the equations of both tangent lines at that point.
 multiple choice.png)
Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest rate r, expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If 
is deposited every four weeks into an account paying 
interest, approximate the amount in the account after 10 years.
A. $7103.25 B. $11,180.00 C. $177.58 D. -$3916.90
Determine whether the infinite geometric series has a limit. If a limit exists, find it.0.16 + 0.0016 + 0.000016 + . . .
A. 
B. 
C. 
D. No limit
Describe the transformation required to obtain the graph of the given function from the basic trigonometric graph.y = 10 tan x
A. Vertical stretch by a factor of 10 B. Horizontal stretch by a factor of 10 C. Vertical translation down 10 units D. Vertical translation up 10 units