BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 3.2, Problem 11E
To determine

To match: the polynomial function

Expert Solution

Answer to Problem 11E

The correct answer is V.

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 3.2, Problem 11E

Explanation of Solution

Given information:

The polynomial function is R(x)=x2+5x34

The power of the equation is odd and the leading co-efficient negativeso, predict the end behaviour, which is when x approaches positive , y will approach negative and as x approaches negative , y will approach positive .GraphVand IV contain this characteristic. Now substitute x with any value

  12+5(1)34                          [substitute the value of x]1+54                                      [evaluate power]55                                     0                                                    [subtract]

Therefore, the coordinate point (1, 0 ),the graph Vcontain this closest

Hence, the correct answer is V.

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