Approximate the Area Under the Curve and Above the X-Axis $$f ( x ) = 3 x ^ { 2 } - 2 \text { from } x = 1 \text { to } x = 5 ; n = 4$$

question 96

Multiple Choice

Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given
by the value of the function at the right side of the rectangle.
- $$f ( x ) = 3 x ^ { 2 } - 2 \text { from } x = 1 \text { to } x = 5 ; n = 4$$

• A) 140
• B) 154
• C) 144
• D) 150

---

Definitions:

Spring Brake Relay Valve

A spring brake relay valve is a component in air brake systems that controls the application and release of the spring brakes, typically used in heavy-duty vehicles for parking and emergency brakes.

Control Signal

An electrical or electronic signal used to control the behavior of a system or device, directing its operation or response.

Trailer

Any of a number of different types of nonpowered, load-carrying vehicles towed by another vehicle.

Hold-Off Circuit

A type of circuit used to delay or prevent the activation of part of a system until certain conditions are met.