For the graph below, use the nearest neighbor algorithm to find an approximate minimum Hamilton circuit and its weight, starting at the indicated vertex.
Starting at A
A. A ? D ? B ? C ? E ? A; weight = 27
B. A ? E ? B ? C ? D ? A; weight = 28
C. A ? B ? C ? D ? E ? A; weight = 25
D. A ? C ? E ? B ? D ? A; weight = 29
Answer: B
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Find the general solution of the differential equation. Use C, C1, C2, . . . to denote arbitrary constants. If used, do not simplify hyperbolic functions.y''(t) = 40e8t + sin 5t
A. y = 
- 
+ C1t + C2
B. y = 
+ 
+ C1t + C2
C. y = 
- 
+ C1t
D. y = 
+ 
+ C1t + C2
Graph the polar equation.r = ?, ? ? 0 
A. 
B. 
C. 
D. 
Use the unit circle to determine the value of the given expression or state that it is undefined.sec 
A. -2
B. - 
C. 
D. - 
Find the amount of each payment needed to accumulate the indicated amount in a sinking fund. Round to the nearest cent.
$9,000, money earns 8% compounded quarterly, 5 years
A. $370.44 B. $749.61 C. $1,661.67 D. $1,534.14