Find symmetric equations of the normal line to the surface 
at the point 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = -8x + 1
A. f-1(x) = - 
x - 
B. f-1(x) = - 
x + 1
C. f-1(x) = - 
x - 1
D. f-1(x) = - 
x + 
Mathematics
A steel pipe is being carried down a hallway 14 ft wide. At the end of the hall there is a right-angled turn into a narrower hallway 7 ft wide. What is the length of the longest pipe that can be carried horizontally around the corner?
Mathematics
Find the GCF.64a8b4, 56a6b8
A. 4a2b4 B. 448a8b8 C. 8a6b4 D. 8a8b8
Mathematics
Find the domain and range of the inverse of the given function.f(x) = x3 - 1
A. Domain and range: (-?, ?) B. Domain: [0, ?); range: [0, ?) C. Domain: (-?, ?); range: [-1, ?) D. Domain: [-1, ?); range: (-?, ?)
Mathematics