Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 5 + log5x; relative to f(x) = log5x
A. Moved down 5 units
B. Moved down 5 units
C. Moved up 5 units
D. Moved up 5 units
Mathematics
Find the composite function for the given functions and state the domain. g ? f for f(x) = x2 - 81 and g(x) = 
A. x - 81, for x ? 0
B. x - 9, for x ? 0
C. 
, for all x
D. 
, for (-?, -9] ? [9, ?)
Mathematics
Solve.The face-off areas in ice hockey have a diameter of 31.9 ft. Find the area of a face-off circle. Use 3.14 for ?. Round to the nearest tenth, if necessary.
A. 798.8 sq ft B. 3,195.3 sq ft C. 100.2 sq ft D. 399.4 sq ft
Mathematics
Express the following using negative exponents.
A. (-1)-a B. a-1 C. 1-a D. a
Mathematics