Simplify.
A. 27
B. 2
C. 
D. 
Answer: C
Mathematics
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For the given functions f and g, evaluate the following composite function.f(x) = 3x + 9, g(x) = 
; Find (g ? f)(3).
A. - 
B. 
C. - 12
D. 7
Mathematics
Find the area. Use ? ? 3.14 when needed.
A. 90 m2 B. 45 m2 C. 504 m2 D. 1008 m2
Mathematics
Find the general term of the arithmetic sequence.-1, -3, -5, -7, -9, . . .
A. an = 2n - 1 B. an = 1 - 2n C. an = -1 - 2n D. an = -3 - 2n
Mathematics
Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 
C. 5x32y13
D. 
Mathematics