$$\text { Find the interval on which the curve } F ( x ) = \int _ { 0 } ^ { x } \frac { d t } { 11 + 11 t } \text { is concave downward. }$$

question 26

Short Answer

$$\text { Find the interval on which the curve } F ( x ) = \int _ { 0 } ^ { x } \frac { d t } { 11 + 11 t } \text { is concave downward. }$$

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Definitions:

O-Bromobenzoyl Chloride

An organic compound used in the synthesis of other chemical compounds, characterized by a bromine atom attached to the benzoyl chloride group.

Boiling Point

The temperature at which a substance changes from a liquid to a gas at atmospheric pressure.

Ethanamide

A chemical compound known as the simplest amide derived from acetic acid, with the formula CH3CONH2.

1-Propanol

A three-carbon alcohol with the formula CH3CH2CH2OH, commonly used as a solvent in the pharmaceutical industry.