Mathematics B Exam Worksheet - Regents High School Examination, The University Of The State Of New York, 2005 Page 2

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Part I
Answer all questions in this part. Each correct answer will receive 2 credits. No partial credit
will be allowed. For each question, write on the separate answer sheet the numeral preceding the
word or expression that best completes the statement or answers the question.
[
]
40
Use this space for
1 The accompanying graph shows the heart rate, in beats per minute, of
computations.
a jogger during a 4-minute interval.
110
100
90
80
70
60
1
2
3
4
Time (minutes)
What is the range of the jogger’s heart rate during this interval?
(1) 0–4
(3) 0–110
(2) 1–4
(4) 60–110
2 If sin
is negative and cos
is negative, in which quadrant does the
terminal side of
lie?
(1) I
(3) III
(2) II
(4) IV
3 Expressed as a function of a positive acute angle, sin (–230°) is equal
to
(1) sin 50°
(3) cos 50°
(2) –sin 50°
(4) –cos 50°
[2]
Math. B – June ’05

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