Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 5: Q. 81 (page 284)

If 4x=7, what does 4-2xequal?

Short Answer

Expert verified

The value of4-2xis149.

Step by step solution

01

Step 1. Given Information

Given :

4x=7

We have to find4-2x

02

Step 2. Write expression to be found in terms of given expression.

4-2x=(4x)-2

03

Step 3. Put the given value in the expression and solve.

(4x)-2=(7)-2=172=149

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Solve given equation and verify your result using graphing utility.

e3x=e2-x

A function y=f(x)is increasing on the interval (0,5).What conclusions can you draw about the graph of y=f-1(x)?

A function fhas an inverse function. If the graph of f lies in quadrant I in which quadrant does the graph of f-1 lie?

The graph of an exponential function is given. Match each graph to one of the following functions.

Solve the equation3x3=9x

and verify your results using a graphing utility.
See all solutions

Recommended explanations on Math Textbooks

Geometry

Read Explanation

Calculus

Read Explanation

Discrete Mathematics

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Statistics

Read Explanation

Applied Mathematics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free