Find f(x) = a(x - h)2 + k so that f models the data exactly.
A. f(x) = -2(x + 2)2 + 5
B. f(x) = -(x - 2)2 + 5
C. f(x) = (x + 2)2 + 5
D. f(x) = -2(x - 5)2 + 2
Answer: A
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Refer to the graph of the linear function defined by 
or the graph of the linear functions defined by 
and 
to solve the equation or inequality.
y1 - y2 > 0
A. (-?, 10) B. (10, ?) C. (2, ?) D. (-?, 2)
Write the expression in radical notation. Evaluate by hand when possible.271/3
A. 
; -3
B. 
; -27
C. 
; 3
D. 
; 9
Rewrite the logarithm log, 421 in terms of the common logarithm (base 10).
a. 
b. log412
c. 
d. 
e. 
Solve the problem.In one city, the local cable TV company charges $3.10 for each pay-per-view movie watched. In addition, each monthly bill contains a basic customer charge of $25.50. If last month's bills ranged from a low of $31.70 to a high of $72.00, over what range did customers watch 
movies?
A. movies watched varied from 1 to 16 inclusive B. movies watched varied from 2 to 15 inclusive C. movies watched varied from 1 to 14 inclusive D. movies watched varied from 3 to 16 inclusive