Find $\lim _ { x \rightarrow 9 ^ { - } } \frac { x - 9 } { x ^ { 2 } - 81 }$

question 100

Multiple Choice

Find $\lim _ { x \rightarrow 9 ^ { - } } \frac { x - 9 } { x ^ { 2 } - 81 }$ .

• A) \(\frac { 1 } { 18 }\)
• B) \(\frac { 1 } { 9 }\)
• C) \(\frac { 9 } { 2 }\)
• D) \(\frac { 2 } { 9 }\)
• E) limit does not exist

Describe the mechanisms of locomotion and nutrition among different protists.

Understand the impact of protists on human health and the environment.

Relate the structural adaptations of protists to their habitats and lifestyles.

Comprehend the evolutionary history and relationships of protists as revealed by phylogenetic studies.

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