Find, if possible, AB and BA.A =
, B = 
A. AB = , BA not defined
B. AB = , BA not defined
C. AB = , BA =
D. AB = , BA =
Answer: A
Mathematics
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A. 8x
B.
C. 8 - x
D. 8 + x
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Find the product and simplify. ?
A.
B. 3
C. 3
D.
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For the given functions f and g, find the requested function.If f(x) = x2 + 6x and g(x) = x + 4, find (g ? f)(2).
A. 72 B. 96 C. 22 D. 20
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Find the absolute value of the complex number . -1 -2i
a.
b. 5
c.
d.
e.
Mathematics