Homework Help: Calc

Posted by Erica on Monday, December 6, 2010 at 3:33am.

You need 50 pounds of two commodities costing $1.25 and$1.60 per pound.

a) Verify that the total cost is y=1.25x + 1.60(50 - x), where x is the number of pounds of the less expensive commodity.
b) Find the inverse function of the cost function.

Calc - drwls, Monday, December 6, 2010 at 6:49am
a) The y(x) expression is obviously correct. The first term is the amount spent on the least expensive commodity and the second is the amount spend on the more expensive commodity.

b) Solve for x in terms of y.

Answer this Question

Related Questions

algebra - Mixture Problems Template – Price Problems Copy the problem from ...
Algebra - How many pounds of apples costing .64 per pound must be added to 30 ...
Intermediate Algebra(Math) - Mixed nuts. Oh Nuts! sells pistachio kernels for $6...
Math Word Problem - Cashews sell for $4.00 per pound and peanuts for $1.50 per ...
math - the manager of a starbucks store plans to mix A grade coffee that cost 9....
math - a 50 pound bag of glossy coat horse feed cost $23.50. A 25 pound bag cost...
algebra - A person needs to prepare 130 pounds of blended coffee beans for $5.27...
algebra 2--matrices. - A grocer wants to m,ix three kinds of hard candy to sell ...
Math - Mrs. Willy bought 3.5 pounds of ground turkey and 2.5 pounds of white ...
math - Can someone help me with the equation and I will doing the answer During ...

For Further Reading

First Name:
School Subject:
Answer: