Learning. For a person learning to type, the number N of words per minute that the person could type after t hours of practice was given by the limited growth function N = 100 ( 1 − e − 0.02 t ) What is the rate of improvement after 10 hours of practice? After 40 hours of practice?
Learning. For a person learning to type, the number N of words per minute that the person could type after t hours of practice was given by the limited growth function N = 100 ( 1 − e − 0.02 t ) What is the rate of improvement after 10 hours of practice? After 40 hours of practice?
Solution Summary: The author compares the rate of improvement of a person learning to type after 10 hours of practice and 40 hours.
Learning. For a person learning to type, the number N of words per minute that the person could type after t hours of practice was given by the limited growth function
N
=
100
(
1
−
e
−
0.02
t
)
What is the rate of improvement after 10 hours of practice? After 40 hours of practice?
3. Consider the following theorem:
Theorem: If n is an odd integer, then n³ is an odd integer.
Note: There is an implicit universal quantifier for this theorem. Technically we could write:
For all integers n, if n is an odd integer, then n³ is an odd integer.
(a) Explore the statement by constructing at least three examples that satisfy the hypothesis,
one of which uses a negative value. Verify the conclusion is true for each example. You
do not need to write your examples formally, but your work should be easy to follow.
(b) Pick one of your examples from part (a) and complete the following sentence frame:
One example that verifies the theorem is when n =
We see the hypothesis is
true because
and the conclusion is true because
(c) Use the definition of odd to construct a know-show table that outlines the proof of the
theorem. You do not need to write a proof at this time.
matrix 4
Please ensure that all parts of the question are answered thoroughly and clearly. Include a diagram to help explain answers. Make sure the explanation is easy to follow. Would appreciate work done written on paper. Thank you.
Chapter 5 Solutions
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