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Chapter 10: Q. 67 (page 777)

Use calculator graphs to make approximations for each of the limits in Exercises 67鈥�74.

limx鈫�4(3-4x-5x2)

Short Answer

Expert verified

The graph for the given limit

The limit expression has the value oflimx鈫�4(3-4x-5x2)=-93

Step by step solution

01

Step 1. Given information

The given limitlimx鈫�4(3-4x-5x2)

02

Step 2. The strategy is to approximate the value of the limit expression using calculator graph

First insert the function in the calculator by pressing Y= key:

Adjust the viewing window by pressing WINDOWkey:

Now press on GRAPHto get the graph as below:

From the graph, we see x鈫�4that the value of the function is -93.

Therefore, the limit expression has the value oflimx鈫�4(3-4x-5x2)=-93

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