Evaluate the expression for the given replacement values.x - (y + z) for x = 23, y = 6, z = 3
A. 32
B. 14
C. 21
D. 20
Answer: B
Mathematics
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Given f(x) and g(x), find the composition.f(x) = -9x + 7; g(x) = 4
Find (g ? f)(x).
A. -9
+ 7
B. 4
+ 7
C. 4
D. 4 + 
Mathematics
An order of award presentations has been devised for seven people: Jeff, Karen, Lyle, Maria, Norm, Olivia, and Paul.In how many ways can the first award be presented to Karen and the last to Lyle?
A. 24 B. 360 C. 120 D. 840
Mathematics
Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the first 41 terms of the arithmetic sequence {5n + 1}.
A. 4243.5 B. 4346 C. 4489.5 D. 4633
Mathematics
Use the comparison test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics