Perform the indicated operations.15 + 52 ? 3 - (-4)
A. 124
B. 26
C. 27
D. 94
Answer: D
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Solve the problem.Find the sum of the infinite series 1 + 9r + r2 + 9r3 + r4 + 9r5 + r6 + . . . for those values of r for which it converges.
A. 
B. 
C. 
D. 
Solve the problem.A cylindrical water tank has height 7 m and radius 2 m (see figure). If the tank is full of water, how much work is required to pump the water to the level of the top of the tank and out of the tank? Express the answer in terms of ?. 
A. 240,100 J B. 6,722,800? J C. 960,400? J D. 392,000? J
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 
Solve the problem.Use Newton's method to estimate the solutions of the equation 
. Start with
for the right-hand solution and with x0 = -2 for the solution on the left. Then, in each case find x2.
What will be an ideal response?