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Chapter 11: Q16. (page 728)

State the excluded value for each function.

y=22x鈭�5

Short Answer

Expert verified

Excluded value of the function is 52.

Step by step solution

01

Step 1. Exclude the values.

Exclude the values for which 2x鈭�5equals 0.

2x鈭�5=0

02

Step 2. Add.

Add 5 on each side of the above obtained equation.
2x鈭�5+5=0+52x=5

03

Step 3. Divide.

Divide each term by 2.

2x2=52x=52

xcannot equal to 52. Therefore, the excluded value is x=52.

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