Mathematics B Regents High School Examination - The University Of The State Of New York, 2003 Page 8

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Part II
Answer all questions in this part. Each correct answer will receive 2 credits. Clearly indicate the
necessary steps, including appropriate formula substitutions, diagrams, graphs, charts, etc. For all
questions in this part, a correct numerical answer with no work shown will receive only 1 credit. [
]
12
21 The height, h, in feet, a ball will reach when thrown in the air is a
2
function of time, t, in seconds, given by the equation h(t) = –16t
+ 30t + 6.
Find, to the nearest tenth, the maximum height, in feet, the ball will
reach.
2
0
22 Find the value of (x + 2)
+ (x + 1)
when x = 7.
3
[8]
Math. B – Aug. ’03

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