Mr. Clarence E. Harris
Unit 5 Math 133 Discussion Board

Grace is a grandmother who is looking for a long-range investment for her grandchild Elliott’s education. I searched the internet to find a Certificate of Deposit, which is a CD plan that earns compounded interest to invest her $25,000.

I used the advertised rates, the number of compounding periods per year and the time the funds will be invested, from the web site I researched to calculate the future value of her investment. Here is a step by step walk through of how I calculated Grace’s future investment.

Tip: You’re going to need a special calculator to apply your values and get the correct result. The calculator I used was at the following website:

Retrieved from https://www.bankoncit.com/calculators-savings.htm

Step #1. Was to apply the principle investment $25,000.
The principal is $25,000 Principle =P P=$25,000

Step #2. Was to apply the advertised annual interest rate for her investment. Remember to convert your percent to a decimal dividing it by 100

Use advertised annual interest rate from the website

Step #3. Was to apply the time in years for the investment.
State the time in years for the investment.

Time in years = t T=10

In this scenario we were not given the number of compounding periods a year. That means you’ll have to make it up.

Some options you may choose would be: Annual, Quarterly, Monthly or Daily. I chose annual because it made the math simple for me making the value for (n) #1.

Step #4. Was to apply the number of compounding periods per year. State Compounding Periods Per Year which will =(n)

Compounded Periods = 1 (Annual) N=1

Now I’ll put the assigned values in a simple column for easy reading going into the next step.

P=$25,000
R=0.0115
T=10
N=1

Step #5. Now we can apply these values to the formula F(t) = P(1 + r/n) nt...

...log2(8 – 6x) = 5
8-6x = 2^5
8-6x = 32
6x = 8-32
x = -24/6
x = -4
d. 4 + 5e-x = 0
5e^(-x) = -4
e^(-x) = -4/5
no solution, e cannot have a negative answer
2. Describe the transformations on the following graph of f (x) log( x) . State the
placement of the vertical asymptote and x-intercept after the transformation. For
example, vertical shift up 2 or reflected about the x-axis are descriptions.
a. g(x) = log( x + 5)...

...NAME : MATH133 Unit5 Individual Project – A
Describe the transformations on the following graph of f ( x) log( x) . State the placement of the vertical asymptote and x-intercept after the transformation. For example, vertical shift up 2 or reflected about the x-axis are descriptions. 1)
10 9 8 7 6 5 4 3 2 1 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10
Y
X 1 2 3 4 5 6 7 8 9 10...

...Student Answer Form Unit5 IP_2
April 22, 2011
(1.)
a.
e^(0.05t)=1600
Answer: t=147.556
Show your work:
ln(e^(0.05t))=ln(1600)
0.05t=ln(1600)
(0.05t)/(0.05)=(ln(1600))/(0.05)
t=(ln(1600))/(0.05)
t=20ln(1600)
t=147.556
b.
ln(4x)=3
Answer: x= 5.0214
Show your work:
4x = e^3/4
c.
log2(8-6x) = 5
Answer: x= -4
Show work:
8 – 6x = 2^5
6x = 8 – 32
X = - 24/6
d.
4 + 5e – x = 0...

...April 25, 2013
Math133
DB Unit5
I have put a side 62,000 for my grandsons college tuition and I have found that the best most safe and effective way to earn money for the next 12 yrs until he goes to college is by investing it into a CD with an annual rate of 0 .90% (bankrate, 2013) and it is compounded monthly.
I have researched to see if my investment would help with tuition in 12 years. I used an inflation calculator and with the current...

...=Principal
R =Rate
T =Time
M =Maturity Value
P =Principal
I =Interest
R =Rate
T =Time
₱8700.00 at 3.25% for 3 years
I =PRT
I =(8700)
(0.0325)(3)
I = ₱848.25
http://www.investopedia.com/terms/s/simple_interest.asp
Math Of Investment (Calculator-Based) by Zorilla, Partible, Esller, Mendoza, Bansa, Apuyan
B. Discount Interest Method
The interest rate charged to commercial banks and other depository institutions for loans...

...committed to utilities and other expenses?
$504.00 would be committed to utilities and other expenses.
4. If Joe’s net income after taxes each month is equal to 74% of his gross wages, how much is his net income?
$1776 a month would be Joe’s net income.
5. Joe’s total monthly payment to the bank will consist of the mortgage interest plus principal amount plus monthly payments for insurance and taxes. What will the total monthly payments be for a 15-year and a 30-year loan...

...000
Disposal
600,000
Transfer of Accumulated Appreciation
Cash
300,000
Disposal
300,000
Sales Proceeds
Disposal Account
50,000
Profit and Loss Account
50,000
Profit has been made
4. $700,000 – $100,000/5 = 120,000
3 years = $360,000
Dr
Machine Account
Cr
Date
Particular
Folio
$
Date
Particular
Folio
$
20X10
20X10
Jan 31
Cash
700,000
Jan 31
Disposal Account
700,000
Jan 31
Depreciation
900,000...

...Student Answer form Unit 2
1.
a. x-4x=-6
A) 1
B) -10
C) -6
X^2-10x-24=0
(X-4) (x+6)
X-4=0 x=4
X+6=0 x+-6
b. x=7+4=5.5 x=7-4=1.5
x=-b±b2-4ac2a
x= (-7) ± (-7)2-4(3) (20)2a
x=7±64-802a
x=7±-16
x=7+4/2=5.5
x=7-4/2=1.5
c. 10x^2+x-3=0
x=-b±b2-4ac2a
x=-1± (1)2-4(10) (-3)2(10)
x=1±1-12020
x=1±10
x=1+320 = 5
x=1-320= 10
2.
a. (-2.3, 0), (0, 6.3)
b....

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