Matched Problem 4 In Example 4, what is the rate of improvement (to two decimal places) after 50 hours of practice? Learning For a particular person learning to swim, the distance y (in feet) that the person is able to swim in 1 minute after t hours of practice is given approximately by y = 50 ( 1 − e − 0.04 t ) What is the rate of improvement (to two decimal places) after 10 hours of practice?
Matched Problem 4 In Example 4, what is the rate of improvement (to two decimal places) after 50 hours of practice? Learning For a particular person learning to swim, the distance y (in feet) that the person is able to swim in 1 minute after t hours of practice is given approximately by y = 50 ( 1 − e − 0.04 t ) What is the rate of improvement (to two decimal places) after 10 hours of practice?
Solution Summary: The author calculates the rate of improvement of a person who can swim in 1 minute after 50 hours of practice.
Matched Problem 4 In Example 4, what is the rate of improvement (to two decimal places) after 50 hours of practice?
Learning For a particular person learning to swim, the distance y (in feet) that the person is able to swim in 1 minute after t hours of practice is given approximately by
y
=
50
(
1
−
e
−
0.04
t
)
What is the rate of improvement (to two decimal places) after 10 hours of practice?
Write an equation for the polynomial graphed below
5+
4
3
1
+
+
+
-5-4-3-2
1
13 4 5
-1
-2
-3
-4
-5+
4 5
Q
y(x) =
1. Name the ongiewing)
2. Name five pairs of supple
3 27 and 19 form a
angles
210 and 21 are complementary angies
4. m210=32 mal!=
5 mc11-72 m10=
6 m210-4x mc11=2x x=
7 m210=x m 11 =x+20; x=
12 and 213 are supplementary angles
8 ma 12 2y m13-3y-15 y=
9 m 12-y+10 m13-3y+ 10: y=
10. The measure of 212 is five times the measure of 13. Find the
213 and 214 are complementary angles, and
14 and 15 are supplementary angies
11 mc13 47 m/14-
12 m 14-78 m13-
m215-
m15
13 m15-135 m. 13-
m.14
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