Mathematics B - Regents High School Examination, The University Of New York, 2010 Page 5

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13 The air temperature in Dallas, Texas, over a 5-hour period is shown in
computations.
the accompanying graph.
What is the range of this set of data?
(1) 0
x
5
(3) 0
y
80
(2) 56
x
70
(4) 56
y
70
1
14 The expression
is equivalent to
2 − i
+ i
2
(1) 2 + i
(3)
5
+ i
2
(2) −2 − i
(4)
3
15 If f(x) = 2x − 1 and g(x) = 3x + 5, then (f º g)(x) is equal to
(1) 5x + 4
(3) 6x + 9
(2) 6x + 2
2
+ 7x − 5
(4) 6x
[5]
[OVER]
Math. B – June ’10

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