Use the limit comparison test to determine if the series converges or diverges.
A. Converges
B. Diverges
Answer: B
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Find the general solution of the equation. Express the solution explicitly as a function of the independent variable.u'(x) = e7x-3u
A. u = 
ln
B. u = 
ln
+ C
C. u = 3 ln
+ C
D. u = 3 ln
City A charges a $60.00 connection fee plus $0.16 per kilowatt hour for electricity. City B charges a $76.00 connection fee plus $0.12 per kilowatt hour.
?
A: Use A for the total charges, in dollars, for connecting and using 
kilowatt hours of electricity from City A. Find an equation that gives A as a linear function of 
.
?
B: Use B for the total charges, in dollars, for connecting and using 
kilowatt hours of electricity from city B. Find an equation that gives B as a linear function of 
.
?
C: What number of kilowatt hours will result in the same charges for electricity from each city?
What will be an ideal response?
Solve the problem by writing an appropriate system of equations and using the inverse of the coefficient matrix to solve the system.A $100,000 trust is to be invested in bonds paying 8%, CDs paying 7%, and mortgages paying 10%. The bond and CD investment must be triple the mortgage investment. To earn an $8000 annual income from the investments, how much should the bank invest in bonds?
A. $50,000 B. $30,000 C. $25,000 D. $15,000
Solve the problem.A plane flies 430 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 24 mph, what is the speed of the plane in still air?
A. 138 mph B. 148 mph C. 153 mph D. 173 mph