A polling organization contacts 1338 adult men who are 40 to 60 years of age and live in the United States and asks whether or n
1 answer:
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<h2>Explanation:</h2>
The rational expression is given by:
The denominator can't be zero, therefore:
Finally,<em> the values of x that make the rational expression undefined are </em>
<em></em>
<em>x = 7 and x = -7</em>