Purchase Solution

Functions and Equations

Not what you're looking for?

Ask Custom Question

1. Evaluate the function f(x) = 4x + 6 for x=4.

2. Evaluate the function f(x) = 9x - 6 for x=0.

3. Take a look at the following table:

x -2 -1 0 1 2

f(x) -5 -2 1 4 7

a. Write out an equation for f(x). Assume the function is linear

b. What is the slope? Is it negative or positive? What information do we get from the slope?

4. Suppose you have a cookie stand, and when you charge $3 per cookie box you sell 200 boxes. But when you raise your price to $4 you only sell 120 boxes.

a. Write an equation for the number of boxes you sell as a function of the price you charge.

b. Denote "B" for number of boxes, and "P" for the price you charge.

c. Assume the function is linear.

5. A reservation clerk worked 12.6 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?

Purchase this Solution
Solution Summary

This solution is comprised of detailed explanation and step-by-step calculations of the given problems and provides students with a clear perspective of the underlying concepts.

Solution provided by:
Anwesha Ghosh, MSc
Education
  • MSc, Osmania University
  • MSc, Indian Institute of Technology - Roorkee (I.I.T.-ROORKEE)
  • BSc, Banaras Hindu University
Recent Feedback
  • "Very fast turnaround. Excellent communication! Much appreciated!"
  • "excellent"
  • "excellent"
  • "excellent work"
  • "Fantastic..great solution and very well explained!!!!"
Purchase this Solution
Free BrainMass Quizzes
Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Solving quadratic inequalities

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

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Probability Quiz

Some questions on probability

Exponential Expressions

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

View More Free Quizzes
Related BrainMass Solutions

  • second order equation

    Functions like are ok.) 1. Write the given second order equation as its equivalent system of first order equations. Use to represent the "velocity function", i.e. . Use and for the two functions, rather than and .

  • Functions and Linear equations

    186471 What similarities and differences do you see between functions and linear equations? What similarities and differences do you see between functions and linear equations? Are all linear equations functions?

  • Density Functions

    79256 Density Functions Equations (See attached file for full problem description with proper equations) Given , x > 0, y > 0, find (a) the marginal density functions, (b) the conditional density functions, (c) the curve of regression of Y on X.

  • Functions and Linear Equations

    248784 Functions and Linear Equations Could you explain to me the difference between functions and linear equations? I need to know if all linear equations are functions and if there are any instances in which a linear equation is not a function.

  • Cauchy Reimann condition and analytic functions

    i) if u(x, y) =e^x cosy and v(x, y) =e^x siny, how do I prove that these functions satisfy the Cauchy-Riemann equations ii) if u(x, y) =½ In(x² +y²) and v(x, y) = tanֿ¹(y/x), how do I prove that theses functions satisfy the Cauchy-Riemann equations

  • similarities and differences between the functions and linear equations

    The similarities and differences between the functions and linear equations are identified clearly.

  • Linear, Nonlinear Variables - Similarities and Differences

    185878 Linear, Nonlinear Variables - Similarities and Differences What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions?

  • Mathematics - Algebra

    What similarities and differences do you see between functions and linear equations? ... 2. What is the difference between domain and ... 1. What similarities and differences do you see between functions and linear equations?

  • Finding equations that represent exponential functions

    563770 Finding equations that represent exponential functions Write an equation using the following information: Each represents an exponential function with base 2 or 3 translated and/or reflected 1) (-3,0), (-2,1), (0,7) Equation of horizontal

  • Function and Differential Equations

    Please see attached file The functions and differential equations are given.

View More Related Solutions