Simplify.
?
?
A. 1
B. (x + 5)
C. 5
D. 
E. 0
Answer: A
Mathematics
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Convert the units.821 cm = m
A. 82,100 m B. 8210 m C. 82.10 m D. 8.21 m
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Evaluate 
for the given x and function f.f(x) = 
for x = 11
A. 
B. 
C. 
D. Does not exist
Mathematics
Match the equation of the parabola with the appropriate description.x = 2y2 - 3y + 4
A. Opens left B. Opens up C. Opens down D. Opens right
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 5x2 - 3, x ? 0
A. f-1(x) = - 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics