Given Functions F and G, Perform the Indicated Operations $\mathrm { r }$

question 222

Multiple Choice

Given functions f and g, perform the indicated operations.
-The following graph shows the private, public and total national school enrollment for students for select years from 1970 through 2000 .
National School Enrollment

i) How is the graph for total school enrollment, T, determined from the graph of the private enrollment, $\mathrm { r }$ , and the public enrollment, u?
ii) During which 10 -year period did the total number of students enrolled increase the least?
iii) During which 10 -year period did the total number of students enrolled increase the most?

• A) i) \(\mathrm { T }\) is the sum of \(\mathrm { r }\) and \(\mathrm { u }\). ii) \(1970 - 1980\) iii) \(1990 - 2000\)
• B) i) \(T\) is the sum of \(r\) and \(u .\) ii) \(1990 - 2000\) iii) \(1970 - 1980\)
• C) i) \(T\) is the sum of \(r\) and \(u\). ii) \(1970 - 1980\) iii) \(1980 - 1990\)
• D) i) \(\mathrm { T }\) is the difference of \(\mathrm { r }\) and \(\mathrm { u }\). ii) \(1970 - 1980\) iii) \(1990 - 2000\)

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Definitions:

Bad News

Information that is unpleasant, unwelcome, or disheartening and potentially has a negative impact on the receiver.

Good News

Information or announcements that are positive, beneficial, or likely to make the recipient happy or hopeful.

Numbered Answers

Responses or solutions to questions or problems, organized or presented with numerical order.

Adjustment

The process of making minor changes to something to achieve a desired result or improve its performance.