Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75
B. $2.00
C. -$3.00
D. $3.00
Answer: A
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Solve the problem.If the series 
is integrated term by term, for what value(s) of x (if any) does the new series converge and for which the given series does not converge?
A. x = -7, x = -5 B. x = -5 C. x = -7 D. none
Provide an appropriate response.When interest on an investment is calculated more than once a year, this is known as simple interest.
A. True B. False
Factor the sum or difference of two cubes.a3b3 + 729
A. (ab + 9)(a2b2 - 9ab + 81) B. (ab + 9)(a2b2 - 81) C. (ab - 9)(a2b2 + 9ab + 81) D. (ab - 9)(a2b2 + 81)
Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.f(x) = -x2 + 2x - 1
A. minimum; 
B. maximum; 
C. minimum; 
D. maximum; 