EBK PRECALCULUS: MATHEMATICS FOR CALCUL

6th Edition

ISBN: 9781133715047

Author: Watson

Publisher: YUZU

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Question

Chapter 2.1, Problem 18E

To determine

Evaluate the given function f(x)=x3+2x , by substitute the different numbers for x .

Expert Solution & Answer

Answer to Problem 18E

The valuesof the given function are :

f(−2)=−12,f(1)=3,f(0)=0,f(13)=1927,f(0.2)=0.408

Explanation of Solution

Given information: consider the function f(x)=x3+2x

Calculation:

Evaluate the values of the function f(x)=x3+2x for the given values of the variable x

Plug the value x=−2 in the function f(x)=x3+2x then we get the value of f(−2).

f(−2)=(−2)3+2(−2)f(−2)=−8−4f(−2)=−12 Substitute x=−2

Add −8 and −4

Plug the value x=1, in the function f(x)=x3+2x then we get the value of f(1).

f( 1 )= ( 1 ) 3 +2( 1 ) f( 1 )=1+2 f( 1 )=3

Substitute x=1

Add 1 and 2

Plug the value x=0, in the function f(x)=x3+2x then we get the value of f(0).

f(0)=(0)3+2(0)f(0)=0+0f(0)=0

Substitute x=0

Add 0 and 0

Plug the value x=13 in the function f(x)=x3+2x then we get the value of f(13).

f( 1 3 )= ( 1 3 ) 3 +2( 1 3 ) f( 1 3 )= 1 27 + 2 3 f( 1 3 )= 1+18 27 f( 1 3 )= 19 27

Substitute x=13

Add 127 and 23

Find least mean square

Plug the value x=0.2 in the function f(x)=x3+2x then we get the value of f(0.2).

f(0.2)=(0.2)3+2(0.2)f(0.2)=0.008+0.4f(0.2)=0.408

Substitute x=0.2

Add 0.08 and 0.4

Thus, the values of the given function are: f(−2)=−12,f(1)=3,f(0)=0,f(13)=1927,f(0.2)=0.408

Chapter 2.1, Problem 17E

Chapter 2.1, Problem 19E

Chapter 2 Solutions

EBK PRECALCULUS: MATHEMATICS FOR CALCUL

Ch. 2.1 - Prob. 1E Ch. 2.1 - For a function f, the set of all possible inputs...Ch. 2.1 - (a) Which of the following functions have 5 in...Ch. 2.1 - A function is given algebraically by the formula...Ch. 2.1 - Prob. 5E Ch. 2.1 - Prob. 6E Ch. 2.1 - Prob. 7E Ch. 2.1 - Prob. 8E Ch. 2.1 - Prob. 9E Ch. 2.1 - Prob. 10E

Ch. 2.1 - Prob. 11E Ch. 2.1 - Prob. 12E Ch. 2.1 - Prob. 13E Ch. 2.1 - Prob. 14E Ch. 2.1 - Prob. 15E Ch. 2.1 - Prob. 16E Ch. 2.1 - Prob. 17E Ch. 2.1 - Prob. 18E Ch. 2.1 - Prob. 19E Ch. 2.1 - Prob. 20E Ch. 2.1 - Prob. 21E Ch. 2.1 - Prob. 22E Ch. 2.1 - Prob. 23E Ch. 2.1 - Prob. 24E Ch. 2.1 - Prob. 25E Ch. 2.1 - Prob. 26E Ch. 2.1 - Prob. 27E Ch. 2.1 - Prob. 28E Ch. 2.1 - Prob. 29E Ch. 2.1 - Prob. 30E Ch. 2.1 - Prob. 31E Ch. 2.1 - Prob. 32E Ch. 2.1 - Prob. 33E Ch. 2.1 - Prob. 34E Ch. 2.1 - Prob. 35E Ch. 2.1 - Prob. 36E Ch. 2.1 - Prob. 37E Ch. 2.1 - Prob. 38E Ch. 2.1 - Prob. 39E Ch. 2.1 - Prob. 40E Ch. 2.1 - Prob. 41E Ch. 2.1 - Prob. 42E Ch. 2.1 - Prob. 43E Ch. 2.1 - Prob. 44E Ch. 2.1 - Prob. 45E Ch. 2.1 - Prob. 46E Ch. 2.1 - Prob. 47E Ch. 2.1 - Prob. 48E Ch. 2.1 - Prob. 49E Ch. 2.1 - Prob. 50E Ch. 2.1 - Prob. 51E Ch. 2.1 - Prob. 52E Ch. 2.1 - Prob. 53E Ch. 2.1 - Prob. 54E Ch. 2.1 - Prob. 55E Ch. 2.1 - Prob. 56E Ch. 2.1 - Prob. 57E Ch. 2.1 - Prob. 58E Ch. 2.1 - Prob. 59E Ch. 2.1 - Prob. 60E Ch. 2.1 - Prob. 61E Ch. 2.1 - Prob. 62E Ch. 2.1 - Prob. 63E Ch. 2.1 - Prob. 64E Ch. 2.1 - Prob. 65E Ch. 2.1 - Prob. 66E Ch. 2.1 - Prob. 67E Ch. 2.1 - Prob. 68E Ch. 2.1 - Prob. 69E Ch. 2.1 - Prob. 70E Ch. 2.1 - Prob. 71E Ch. 2.1 - Prob. 72E Ch. 2.1 - Prob. 73E Ch. 2.1 - Prob. 74E Ch. 2.1 - Relativity According to the Theory of Relativity,...Ch. 2.1 - Income Tax In a certain country, income tax T is...Ch. 2.1 - Internet Purchases An Internet bookstore charges...Ch. 2.1 - Cost of a Hotel Stay A hotel chain charges 75 each...Ch. 2.1 - Speeding Tickets In a certain state the maximum...Ch. 2.1 - Height of Grass A home owner mows the lawn every...Ch. 2.1 - Prob. 81E Ch. 2.1 - Prob. 82E Ch. 2.1 - Prob. 83E Ch. 2.1 - Prob. 84E Ch. 2.1 - Prob. 85E Ch. 2.2 - Prob. 1E Ch. 2.2 - Prob. 2E Ch. 2.2 - Prob. 3E Ch. 2.2 - Match the function with its graph. 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Evaluate the given function f ( x ) = x 3 + 2 x , by substitute the different numbers for x .