For the given functions f and g, find the requested composite function value.f(x) = 
, g(x) = 3x;
Find (f ? g)(3).
A. 3
B. 3
C. 
D. 
Answer: C
Mathematics
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Set up an integral for the length of the curve.y = 5 cos x, 0 ? x ? ?
A. 
B. 
C. 
D. 
Mathematics
Multiply.-9(-9)
A. 90 B. 81 C. -90 D. -81
Mathematics
Construct the requested tree diagram.Construct a tree diagram that shows all possible 2-letter code words using only the letters x and y with repetition allowed.
A.
| | |
| x |
| | |
| y |
B.
| /\ |
| x | y |
| /\ | /\ |
| x | y | x | y |
C.
| /\ |
| x | y |
| | | | |
| y | x |
D.
| /\ |
| x | y |
| /| | | |
| x | y | x |
Mathematics
Find the absolute value.|19|
A. -19 B. 38 C. 0 D. 19
Mathematics