Mathematics B Regents High School Examination Worksheet - The University Of The State Of New York, 2004 Page 3

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Use this space for
7
5 The expression
is equivalent to
computations.
2
3
+
2
3
(1) 14 – 7
(3)
3
7
+
14
3
(2) 14 + 7
(4)
3
7
6 Jean’s scores on five mathematics tests were 98, 97, 99, 98, and 96. Her
scores on five English tests were 78, 84, 95, 72, and 79. Which state-
ment is true about the standard deviations for the scores?
(1) The standard deviation for the English scores is greater than the
standard deviation for the math scores.
(2) The standard deviation for the math scores is greater than the stan-
dard deviation for the English scores.
(3) The standard deviations for both sets of scores are equal.
(4) More information is needed to determine the relationship between
the standard deviations.
▲ ▲
7 In
ABC, a = 19, c = 10, and m∠A = 111. Which statement can be used
to find the value of ∠C?
°
sin
21
10
10
(1) sin C =
(3) sin C =
19
19
°
°
69
sin
69
19
sin
10
(2) sin C =
(4) sin C =
10
19
2
1
8 If f(x) =
and g(x) =
, then (g ° f)(x) is equal to
x +
x
3
+
1
3
x
x + 3
(1)
(3)
x 2
2
2x
x +
3
(2)
(4)
+ x
1
3
2
x
[3]
[OVER]
Math. B – Jan. ’04

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