Precal
M4 Everyday variable
Describe an everyday situation between variables that is a function. Clearly explain why the
relationship a function.
A bank account balance shows the everyday situation be
Precal
M6D1: Saving for a Car
With Certificate of Deposit (CD) (Links to an external site.)Links to an
external site. rates at historic lows, perhaps the old piggy bank or under the
mattress is the be
1. Our theory is that your perception of a length of time is inversely proportional to your age. Using the
variables above, how would you state the theory in a mathematical equation?
Ptime=k (age)
2.
MATH 101
4/18/17
M8A2
1.
Positive
Negative
Total
Disease
9800
200
10000
No Disease
1800
88200
90000
Total
11600
88400
100000
a. 10,000* 0.1=10,000. 0.1=10% which is 10,000 of
100,000. 10,000 will have
Math is related to everything in life that you may see, the Fibonacci Numbers and the Golden
Ratio start with the smallest of things that are all works of art. These concepts have the base of
beauty,
Applying for a mortgage is a process, but society has given us quick tools to get the solutions not the
actual equations for us to figure out with a closer look before we sign off on the finalized loa
Jill has a swimming pool in her backyard. It is shaped like a rectangle and measures
approximately 16.3 feet wide and 26.2 feet long. It is an average of 5 feet deep. During a few
hot weeks during the
1. Is Jonathan correct?
Jonathan should pay the same no matter when the discount is taken.
2. How much will he pay each way?
Sales Tax Before the Discount
First calculate to see what the sales tax is:
1. How old are you now? At what age do you hope to retire? These questions are really about answering:
How many years do you have until you retire?
I am 37 years old, and I will get my first retiremen
1. How many times louder is a 60-dB sound than a 10-dB sound?
Here is the equation for figuring out loudness.
L oudness of Sound 1dBLoudness of Sound 2
10
Intensity of sound 1
=10
Intensity of Sound 2
Last season, a pair of jeans cost $42.95. This season, the price of the jeans increased by 25 percent. Later
in the season, the jeans were put on sale for 25 percent off.
First, guess. What do you thi
1. How many times louder is a 60 dB sound than a 20 dB sound?
We have to find the intensity in sound:
Loudness of Sound 1dBLoudness of Sound 2dB
10
Intensity of sound 1
=10
Intensity of Sound 2
40
4
Suppose you have two student loans:
$15,000 with an APR of 8% for 15 years
$10,000 with an APR of 9.5% for 20 years
1. Calculate the monthly payment for each loan individually.
a. Loan 1:
A=$15000, AP
Mrs. Carmichael keeps organic feed for her horses located in a cylinder in her barn. The cylinder is filled
from the top and the feed is dispensed at the bottom. Mrs. Carmichael knows that the height
PleaseconsiderallthematerialswehavecoveredinthiscourseduringModules14.
Postatleastonequestionthatyouareunclearofandwouldliketoreceivefeedbackon
fromyourinstructororyourpeers.
o
o
Reflect on what you h
For this discussion, I used an example from the book, chapter 2 test.
Outcomes in: Educational Background
Success: Bachelor's degree
p: Proportion of successes
Method: Standard-Wald
90% confidence int
Chapters 8 and 9
The notion of NP-completeness was first identified in the work of Steve Cook, who proved in
1971 that SAT is NP-complete; a year later Dick Karp came up with a list of 23 NP-complete
Figure 2.3 Each problem of size n is divided into a subproblems of size n/b.
Size n
Branching factor a
Size n/b
Size n/b2
Depth
logb n
Size 1
Width alogb n = nlogb a
subproblems, each of size n/bk (Fi
Figure 2.6 The complex roots of unity are ideal for our divide-and-conquer scheme.
The complex plane
Imaginary
z = a + bi is plotted at position (a, b).
b
Polar coordinates: rewrite as z = r(cos + i s
2.6 The fast Fourier transform
We have so far seen how divide-and-conquer gives fast algorithms for multiplying integers
and matrices; our next target is polynomials. The product of two degree-d polyn