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Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
ISBN: 9781305108042

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BuyFindarrow_forward

Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
ISBN: 9781305108042
Textbook Problem

In Problems 25 and 26, a function and its graph are given, (a) From the graph, estimate where f   " ( x )

> 0, where f   " ( x )

< 0, and where f   " ( x )

= 0.

(h) Use part (a) to decide where f   ' ( x ) has its relative maxima and relative minima.

(c) Verify your results in parts (a) and (b) by finding

f   ' ( x ) and f"(x) and then graphing each with a graphing utility.

f ( x ) = 1 3 x 3 + x 2 + 8 x 12

Chapter 10.2, Problem 23E,  In Problems 25 and 26, a function and its graph are given, (a) From the graph, estimate where  > 0,

(a)

To determine

The region where f(x)>0, f(x)<0 and f(x)=0 in the graph of the function f(x)=13x3+x2+8x12.

Mathematical Applications for the Management, Life, and Social Sciences, Chapter 10.2, Problem 23E , additional homework tip  1

Explanation

Given Information:

The provided graph of the function f(x)=13x3+x2+8x12 is

Explanation:

Consider the provided graph of the function f(x)=13x3+x2+8x12,

Recall that if f(x)>0 and f(x) is concave up and if f(x)<0 and f(x) is concave down.

From the graph, if x<1 then graph is concave up and if x>1 then the graph is concave down and at point x=1 the graph changes its concavity

(b)

To determine

Where f(x) has relative maxima and relative minima for the provided graph of a function f(x)=13x3+x2+8x12.

Mathematical Applications for the Management, Life, and Social Sciences, Chapter 10.2, Problem 23E , additional homework tip  2

(c)

To determine

The values of f(x) and f(x), the region where f(x)>0, f(x)<0 and f(x)=0 and where f'(x) has relative maxima and relative minima for the function f(x)=13x3+x2+8x12 and graph each function f(x) and f(x).

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Chapter 10 Solutions

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