State the domain of the given function.f(x) = 
A. x ? 7
B. x ? -7
C. x ? -7
D. x ? 7
Answer: B
Mathematics
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Solve. Check for extraneous solutions.x = 
+ 7
A. {3, 12} B. {-9} C. {12} D. {3}
Mathematics
Suppose 
and 
. Use this information to estimate the value of
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.
?
A. 0
B. -15
C. 3
D. 15
Mathematics
Find the indicated vector.Let u = 
, v = 
. Find 
u - 
v.
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial completely using the trial and error method.20x3 + 33x2 + 10x
A. (4x2 + 5)(5x + 2) B. x(4x + 5)(5x + 2) C. x2(4x + 5)(5x + 2) D. x(5x + 5)(4x + 2)
Mathematics