Find the requested function value for the given function. Round the answer to the nearest tenth when necessary.If f(x) = 
, find the value of f(11).
A. 22
B. 5
C. 4.7
D. 25
Answer: B
Mathematics
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Complete the square to write the equation in the form 
- 
= 1 or 
- 
= 1. x2 - y2 - 6x + 6y - 1 = 0
A. 
- 
= 1
B. (x - 3)2 + (y - 3)2 = 1
C. (y - 3)2 - (x - 3)2 = 1
D. (x - 3)2 - (y - 3)2 = 1
Mathematics
Evaluate.2(x + y) and 2x + 2y when x = 10 and y = 8
A. 28, 36 B. 28, 30 C. 36, 36 D. 28, 28
Mathematics
Determine where the graph of f(x) = ln |x?4| is concave upward and where it is concave downward. Also, find all inflection points of the function.
What will be an ideal response?
Mathematics
In each group of four products, one is wrong. Use estimation to determine which product is incorrect.
A. 181 × 90 = 16,290 B. 213 × 32 = 6816 C. 4034 × 60 = 242,040 D. 41 × 432 = 18,233
Mathematics