Solve the problem.Use the possibility tree to count how many four-child families have two boys and two girls.
A. 8 families
B. 2 families
C. 6 families
D. 4 families
Answer: C
Mathematics
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Find anand a6 for the following arithmetic sequence.a1 = 44, d = -7
A. an = 44 - 7n, a6 = 2 B. an = 44 - 7(n - 1), a6 = 9 C. an = 44 + 7(n - 1), a6 = 79 D. an = 44 + 7n, a6 = 86
Mathematics
Find a and k and then evaluate the function. Round your answer to three decimal places when necessary.f(x) = 20 + a(4kx) with f(0) = 164 and f(2) = 29. Find f(1).
A. a = 144, k = 1, f(1) = 29 B. a = -144, k = 1, f(1) = 56 C. a = 144, k = -1, f(1) = 56 D. a = 36, k = -1, f(1) = 56
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to determine which graph below is the graph of the function.
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?
?
A. 
B. ?
C. 
D. 
E. 
Mathematics