Question 1146032
<br>
I can't tell if you are on the right track, because I don't know what you are going to do with the calculations you have shown....<br>
For the x values in the answer choices, the only change of sign in the function value is between x=2 and x=3. Therefore, for the intervals determined by the points given in the answer choices, the only interval that MUST contain a zero of the function is between 2 and 3.