SOLUTION: 1.Khumo takes out a personal loan of R439 200.00 to help finance the building of his holiday house. The terms of his home loan specify equal three-monthly repayments over five year

Question 1196319: 1.Khumo takes out a personal loan of R439 200.00 to help finance the building of his holiday house. The terms of his home loan specify equal three-monthly repayments over five years, with 13.2% interest per annum, compounded quarterly. The initial payment is made three months after the loan was taken out. Considering the amortisation schedule, determine the total interest charged over the first year of repayments.
2.A manufacturing company have determined that the total revenue, R(x), from producing energy-efficient air conditioning units is given by the function
R(x)=x3−10x2+35x+1000.
The cost, C(x), to produce x units is given by the function
C(x)=250000+16x2.
The marginal profit function when x units are produced and sold is given by which of the following options?
options?
a.P′(x)=3x2−32x+35.
b.P′(x)=3x2−52x+35.
c.P′(x)=3x2−20x+35.
d.P′(x)=−3x2+4x+35.

Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
.

One and ONLY ONE problem/question per post.

It is the RULE, the POLICY and the REQUIREMENT of this forum.

It is written in this page

https://www.algebra.com/tutors/students/ask.mpl?action=ask_question&topic=Equations&return_url=http://www.algebra.com/algebra/homework/equations/

from which you post your problems.

It is assumed that you read these rules before posting.

It is also assumed that you do understand what is written in that page and follow the rules.

Those who violate them, work against their own interests.

*******************************************************************

So P L E A S E post your problems S E P A R A T E L Y (!)

RELATED QUESTIONS
Patrick is a loan officer at a bank. He has $2,000,000 to lend out and has two loan... (answered by richwmiller,greenestamps)

Is it D? I want to check my answer. Bob has taken out a loan of $15,000 for a term of... (answered by Theo)

Is it D? I want to check my answer. Bob has taken out a loan of $15,000 for a term of... (answered by ikleyn)

George secured an adjustable-rate mortgage (ARM) loan to help finance the purchase of his (answered by Theo)

A boy cycles from his house to a friend's house at 20 km/h and home again 25km/h. If his... (answered by mananth)

john drives from home to his parents house and then to a cafe. his parents house is 13... (answered by Alan3354)

john drives from home to his parents house and then to a cafe. his parents house is 13... (answered by ikleyn,josgarithmetic)

Hak Young is daunted by that monthly payment amount and is trying to figure out how he... (answered by greenestamps)

Demarco walks from his house to his friend's house at a constant rate of 5 miles per... (answered by josmiceli)