Given f(x) and g(x), find the composition.f(x) = 
; g(x) = 3x + 9Find (g ? f)(5).
A. -48
B. 3
C. 
D. -24
Answer: B
Mathematics
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If x = 8 then -x = ____ .
A. –8 B. 8 C. x
Mathematics
Solve the problem.The average of a data set consisting of 8 numbers is 5. The smallest of the numbers is Min = 1. The largest of the numbers is Max = 9. Which of the following is the smallest possible value of the interquartile range of this data set?
A. 2 B. 1 C. 0 D. 4 E. none of these
Mathematics
Multiply.(x - 7)(-4x + 3)
A. -4x2 + 31x + 31 B. -4x2 - 21x + 31 C. -4x2 + 31x - 21 D. -4x2 + 29x - 21
Mathematics
Find the ordinary interest to the nearest cent.$16,000 at 9
% for 76 days
A. $1,560.00 B. $16,329.33 C. $329.33 D. $325.00
Mathematics