Evaluate the sum. 
A. 90
B. -90
C. 6561
D. -18
Answer: D
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Determine what m and b represent.The cost, in dollars, of retaining the services of a computer repairman in Anchorville is given by 
where x is the number of hours worked.
A. 18 signifies the hourly rate, and 51 signifies the overhead charge. B. -51 signifies the hourly rate, and 18 signifies the travel cost. C. 69 signifies the cost for an on-site inspection. D. 51 signifies the hourly rate, and 18 signifies the overhead charge.
Find the matrix product, if possible.[ -1 -6 8] 
A.
[71 33 33]
B. 
C. 
D. 
Decide whether the situation involves permutations or combinations.A committee of 2 delegates chosen from a class of 38 students to bring a petition to the administration.
A. Permutation B. Combination
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = (-x)2
A. 
B. 
C. 
D. 