Section 7.8 Applications of Rational Functions
743
Version: Fall 2007
7.8
Exercises
1.
The sum of the reciprocals of two
consecutive odd integers is
−
16
63
. Find
the two numbers.
2.
The sum of the reciprocals of two
consecutive odd integers is
28
195
. Find the
two numbers.
3.
The sum of the reciprocals of two
consecutive integers is
−
19
90
. Find the two
numbers.
4.
The sum of a number and its recip
rocal is
41
20
. Find the number(s).
5.
The sum of the reciprocals of two
consecutive even integers is
5
12
. Find the
two numbers.
6.
The sum of the reciprocals of two
consecutive integers is
19
90
. Find the two
numbers.
7.
The sum of a number and twice its
reciprocal is
9
2
. Find the number(s).
8.
The sum of a number and its recip
rocal is
5
2
. Find the number(s).
9.
The sum of the reciprocals of two
consecutive even integers is
11
60
. Find the
two numbers.
10.
The sum of a number and twice its
reciprocal is
17
6
. Find the number(s).
11.
The sum of the reciprocals of two
numbers is 15
/
8, and the second number
is 2 larger than the ﬁrst. Find the two
numbers.
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1
12.
The sum of the reciprocals of two
numbers is 16
/
15, and the second num
ber is 1 larger than the ﬁrst. Find the
two numbers.
13.
Moira can paddle her kayak at a
speed of 2 mph in still water. She pad
dles 3 miles upstream against the cur
rent and then returns to the starting lo
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 Canoeing, Kayak, Canoe, Paddle

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