Compute.-11 + 22
A. -33
B. 11
C. 33
D. -11
Answer: B
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Find the sum of the n terms of the indicated geometric sequence with the given values.a1 = 
, r = 4, n = 5
A. 
B. 
C. 
D. 226
Simplify.
A. - 
x16
B. - 
x10
C. - 
x16
D. 
x10
Determine the vertex of the graph of f.f(x) = - 
(x + 3)2 + 4
A. (3, 4) B. (-3, 4) C. (4, -3) D. (-4, 3)
Solve the problem.Sales of new digital cameras were researched in a particular U.S. market for a range of years. Let s be the sales of new digital cameras (in thousands) for the year that is t years since 1995. A quadratic model for the sales is 
What year is represented by the vertex of this model? What is the best interpretation of the model for points to the left of the vertex?
A. 1998; Sales are greater for earlier years. B. 1999; The model breaks down. C. 1999; Sales are greater for earlier years. D. 1998; The model breaks down.