Sum,difference,and product of 2 functions

# Sum,difference,and product of 2 functions - as follows: ....

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Sum, difference, and product of two functions Suppose that the functions and are defined for all real numbers as follows: . Write the expression for and and evaluate . . Given functions and , we can add, subtract, and multiply the values and when they are both defined, just as we can add, subtract, and multiply real numbers (because and are real numbers). Using this fact, we can use and to define the new functions , , and

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Unformatted text preview: as follows: . Each of these functions is defined for all values of common to the domains of and . In this problem, the domains of and are both the set of all real numbers. We use these definitions to find , , and for the functions and given in the problem: . . . An alternate approach for this computation The answer is: For additional explanation, see your textbook: Section 2.7: Combining Functions ....
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## Sum,difference,and product of 2 functions - as follows: ....

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