Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Rationalize the denominator.
A. 
B. 41
C. 
D. 5
Mathematics
Factor.16x2 - 81
A. (4x - 9)2 B. (4x + 9)2 C. (4x + 9)(4x - 9) D. prime
Mathematics
Write the function F(x) as a composition of f, g, or h.f(x) = x2 - 7g(x) = 6xh(x) = 
F(x) = 
A. F(x) = (g ? h)(x) B. F(x) = (h ? g)(x) C. F(x) = (h ? f)(x) D. F(x) = (f ? h)(x)
Mathematics
Find the magnitude of vector v.
a. 
b. 
c. 
d. 
e. 
Mathematics