csat-suneung 2019 Q4

csat-suneung · South-Korea · csat__math-humanities 3 marks Composite & Inverse Functions Evaluate Composition from Diagram or Mapping
The figure shows a function $f : X \rightarrow X$. [Figure] What is the value of $f ( 4 ) + ( f \circ f ) ( 2 )$? [3 points]
(1) 3
(2) 4
(3) 5
(4) 6
(5) 7
The figure shows a function $f : X \rightarrow X$.\\
\includegraphics[max width=\textwidth, alt={}, center]{26f53191-c2e9-4115-98d0-f3837666a14d-01_329_341_1525_1331}\\
What is the value of $f ( 4 ) + ( f \circ f ) ( 2 )$? [3 points]\\
(1) 3\\
(2) 4\\
(3) 5\\
(4) 6\\
(5) 7