Purchase Solution

Mathematics - Linear Function

Not what you're looking for?

Ask Custom Question

The credit remaining on a phone card is a linear function of the total calling time. The function gives a line with a slope of -.32, when graphed. There is $62.05 in credit remaining after 70 minutes of calls. What is the credit outstanding after 53 minutes?

Purchase this Solution
Solution Summary

Neat and step-wise solution is provided.

Solution Preview

Let the linear function be y = mt + b, where t = total calling time in minutes and y ...

Purchase this Solution
Free BrainMass Quizzes
Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Probability Quiz

Some questions on probability

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

View More Free Quizzes
Related BrainMass Solutions

  • Mathematics - Algebra - Linear Equations

    217525 Mathematics - Algebra - Linear Equation Problems Please help with the following linear algebra problem.

  • Finite Mathematics/Function and Linear Models

    146978 Finite Mathematics: Function and Linear Models I am having trouble figuring out where to start on this word problem, can you help me figure it out? In 2006, Jenny began selling magazines.

  • Mathematics - Other

    225093 Mathematics Using the index of a sequence as the domain and the value of the sequence as the range, is a sequence a function?

  • Finite Mathematics - Inequalities & Simplex Method

    2 3. (4) Construct the objective function and the system of inequalities for the given situation.

  • Mathematics - Sensitivity Analysis and Linear Programming

    201025 Mathematics - Sensitivity Analysis and Linear Programming Sensitivity Analysis {Please see the attached file} Excel the produced the following sensitivity report.

  • Mathematics - Algebra - Functions

    216808 Mathematics - Basic Algebra - Functions Consider two linear function: f(x) and f -1(x), their lines intersect at a point with a x-coordinate of 10 and the slope of f(x) is 1/2 *Find the SI equation *Find x= f -1 (y) then express the inverse

  • Algebra: Solving equations, graphing, inequalities, etc.

    We use two points (9, 74) and (23, 92) to find a linear function as follows: b.) Use the function to predict the test score of someone who has studied for 18 hours. Use the function obtained in (a): .

  • Accounting functions are embedded and determined

    Source: http://en.wikipedia.org/wiki/Function_(mathematics) 4. For each of the relationships below, explain whether you think it is best described by a linear function or a non-linear function. Explain your reasoning. a.

  • What is linear algebra? What is matrix algebra?

    Linear algebra is the branch of mathematics concerned with the study of vectors, vector spaces (also called linear spaces), linear maps (also called linear transformations), and systems of linear equations.

  • Find the Equation of a Line Given X- and Y-Intercepts.

    I need to Find the slope intercept form of a linear equation when the line crosses the x-axis at x=2 and the yaxis at y=3 Answers: This linear function: f(x) = mx + b May be graphed on the x, y plane as this equation: y = mx + b This equation

View More Related Solutions