Complete the square to write the function in the form 
f(x) = x2 - 16x + 66
A. f(x) = (x - 8)2 + 2
B. f(x) = (x - (-2))2 - 8
C. f(x) = (x - (-8))2 + 2
D. f(x) = (x - 8)2 - 2
Answer: A
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. 
saddle point; 
saddle point; 
saddle point; 
saddle point; 
saddle point
B. 
local maximum; 
local maximum; 
local minimum; 
local minimum
C. 
saddle point; 
local maximum; 
local minimum
D. 
saddle point; 
local maximum; 
local maximum; 
local minimum; 
saddle point; 
saddle point; 
local minimum; 
saddle point; 
saddle point
Write as an addition problem and find the sum.The temperature was 71 degrees in the morning, but it dropped 16 degrees in the afternoon and another 6 degrees in the evening. What was the temperature in the evening?
A. 71 + 16 + 6 = 61 degrees B. 71 + 16 + 6 = 49 degrees C. 71 + -16 + -6 = 49 degrees D. 71 + -16 + -6 = 61 degrees
Determine whether matrix B is the inverse of matrix A by finding the product AB.A = 
, B = 
A. B = A-1 B. B ? A-1
Solve.Find the missing length in the right triangle shown below. 
A. 9
B. 
C. 12
D. 3