Find the Derivative of the Function at the Given Value $$f ( x ) = x ^ { 2 } + 9 x + 9 ; x = 8$$

question 14

Multiple Choice

Find the derivative of the function at the given value of x.
- $$f ( x ) = x ^ { 2 } + 9 x + 9 ; x = 8$$

• A) 9
• B) 11
• C) 25
• D) 16

---

Definitions:

Gear Teeth

The individual protrusions on the circumference of a gear that engage with those on another gear to transmit torque and motion.

Runout

A defect that causes side-to-side or lateral movement in a spinning object. In wheels it is commonly caused by imperfections in the wheel’s shape; in disc brakes it can be caused by a distorted rotor, hub flange distortion, or worn wheel bearings.

Electrons

Subatomic particles whose activity creates electric currents.

Current Flow

The movement of electric charge through a conductor, creating an electric circuit.