Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 1: Q69. (page 66)

Iffx=2x+4 and gx=x2−3, find each value

f−3

Short Answer

Expert verified

The value of function is f−3=−2.

Step by step solution

01

Step 1. Concept.

For a function f,fa represents the value of the function atx=a

02

Step 2. Evaluate the required value.

To evaluate the function value, substitute -3for xin the function f(x)and simplify further as shown below

f−3=2−3+4

03

Step 3. Calculation.

To simplify further, multiply the numbers and then combine to get

2−3+4=−6+4=−2

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

Explain the differences between an algebraic expression and a verbal expression.

Write an algebraic expression for each verbal expression.

Two-fifths of the square of a number j

Name the set or sets of numbers to which each real number belongs.

10.24

Evaluate the expression 8b−aif a=4,  b=6,  c=8.

Evaluate the expression 2+54.
See all solutions

Recommended explanations on Math Textbooks

Applied Mathematics

Read Explanation

Logic and Functions

Read Explanation

Probability and Statistics

Read Explanation

Pure Maths

Read Explanation

Discrete Mathematics

Read Explanation

Mechanics Maths

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