For the following question(s), refer to the digraph below.
Vertex D is
A. incident from vertex E only.
B. incident from vertices C and E.
C. incident from vertex A, B, C, and E.
D. incident from vertex C only.
E. none of these
Answer: D
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Evaluate the integral by making a substitution and then using a table of integrals.
dx
A. (x + 3) tan-1 
- 
+ C
B. 
(x + 3) tan-1 
- 
+ C
C. 
(x + 2) sin-1 
- 
+ C
D. 
(2x + 3) sin-1 
+ 
+ C
Classify the surface.
 Figure 3.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 16 years.
A. $9532.60 B. $16,146.00 C. $317.75 D. -$4300.64
Establish the identity.(sec u - tan u)(sec u + tan u) = 1
What will be an ideal response?