Solve the problem.Find the probability of having 4 girls in a 4-child family.
A. 
B. 
C. 
D. 
Answer: C
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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = ln (1 + x3)
A. 
x3 - 
x6 + 
x9 - 
x12 + . . .
B. x3 - 
x6 + 
x9 - 
x12 + . . .
C. x3 - 
x6 + 
x9 - 
x12 + . . .
D. x3 + 
x6 - 
x9 + 
x12 + . . .
Solve the problem.Use Ohm's Law, I = 
, to find the current I, given voltage 
and impedance 
A. 12(cos 12.0° + i sin 12.0°) B. 1008(cos 110° + i sin 110°) C. 12(cos 10° + i sin 10°) D. 77(cos 10° + i sin 10°)
Express the following in interval notation.
A. (-?, 0] ? (4, ?) B. (0, 4] C. (-?, 0) ? (4, ?) D. (-?, 0) ? [4, ?)
Solve the problem.Suppose you invest $5096 at the end of each year into an account earning 6% interest (compounded annually). At the end of 6 years, how much money will be in the account?
A. $34,846.20 B. $120,479.60 C. $35,546.20 D. $35,405.90