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Chapter 6: Q. 34 (page 419)

Use the graph of the function to determine the domain and the range of function

y=21tanx-1

Short Answer

Expert verified

graph of the given function is

domain is {x|x鈮�卤k蟺}

range is(-鈭�,鈭�)

Step by step solution

01

Step 1. The given information is

a functionf(x)=2(1tanx)-1

02

Step 2. Making the graph of 1/tanx 

03

Step 3. The graph of the given function after stretching it by 1 unit is

04

Step 4. Domain and range

The graph of function state that the

The domain of the function is

the domain is {x|x鈮�卤k蟺}, k is an integer

range is(-鈭�,鈭�)

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