Write the Word or Phrase That Best Completes Each Statement $f ( x ) = \sqrt { x ^ { 2 } + 1 }$

question 19

Short Answer

Write the word or phrase that best completes each statement or answers the question.
-s $f ( x ) = \sqrt { x ^ { 2 } + 1 }$ is defined on the interval $[ 0,4 ] .$ In (a) and (b), approximate the area under $f$ (to three decimal place follows:
(a) Partition $[ 0,4 ]$ into four subintervals of equal length and choose $u$ as the left endpoint of each subinterval.
(b) Partition $[ 0,4 ]$ into four subintervals of equal length and choose $u$ as the right endpoint of each subinterval.
(c) Use a graphing utility to approximate the actual area A.

---

Definitions:

Tonsils

Lymphatic tissue located at the back of the throat, part of the immune system to help fight infection.

Auditory Canal

The tubular part of the outer ear that leads from the pinna to the eardrum, conducting sound waves to the eardrum.

Examination Room

A room in a healthcare facility equipped for physical check-ups and medical examinations of patients.

Disinfect

The process of using chemical agents to eliminate or reduce harmful microorganisms on surfaces or objects to prevent infection.