Find the convergence set for the given power series. Hint: First find a formula for the nth term; then use the Absolute Ratio Test.1 - 
+ 
- 
+ . . .
A. -1 < x < 1
B. -5 < x < 5
C. -5 ? x ? 5
D. All x
Answer: B
Mathematics
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Find the probability.A family has five children. The probability of having a girl is 1/2. What is the probability of having no girls?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The water in a tank weighs 160.64 lb. One cubic foot of water weighs 62.5 lb. How many cubic feet of water are in the tank?
A. 223.14 cubic feet B. 10,040.000 cubic feet C. 2.57024 cubic feet D. 0.38907 cubic feet
Mathematics
Simplify the rational expression.
A. 
B. a - b
C. 
D. a - 2b + 1
Mathematics
The graph of f(x) = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.
A. Positive B. Negative C. Zero
Mathematics