Find $\lim _ { x \rightarrow 9 } \frac { x - 7 } { x ^ { 2 } + 11 x + 18 }$

question 239

Multiple Choice

Find $\lim _ { x \rightarrow 9 } \frac { x - 7 } { x ^ { 2 } + 11 x + 18 }$ by direct substitution.

• A)198
• B) \(\frac { 1 } { 99 }\)
• C) \(\infty\)
• D)limit does not exist
• E)0

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Definitions:

Abbreviation C'BORE

The shorthand notation for "Counterbore," indicating a cylindrical flat-bottomed hole that enlarges another hole, often to hide a fastener head.

Cutting-plane Line

A line on a drawing that indicates the imaginary plane where a part is cut to reveal internal features.

Deep

A descriptive term used in various contexts to indicate a considerable distance from the surface or edge, often related to the dimension of a feature.

Depth

The measurement from the top surface to the bottom in an object, often used to specify the extent of features such as holes or cuts.