Determine the Maximum Number of Turning Points of F $f ( x ) = 9 x - x ^ { 3 }$

question 235

Multiple Choice

Determine the maximum number of turning points of f.
- $f ( x ) = 9 x - x ^ { 3 }$

• A) 2
• B) 3
• C) 4
• D) 1

---

Definitions:

Cooling History

The record of the thermal evolution of a rock or planet, illustrating the rates of cooling over time.

Increase in Temperature

A rise in the heat content or thermal state of an object, substance, or atmosphere, often discussed in the context of climate change and global warming.

Increase in Pressure

A condition in which the force exerted by a substance per unit area is augmented, often affecting materials and processes in geology and materials science.

Heat Transfer

The movement of thermal energy from one object or substance to another through conduction, convection, or radiation.