turkey-yks 2025 Q8

turkey-yks · Other · yks-ayt Curve Sketching Limit Reading from Graph
In the rectangular coordinate plane, the graphs of the functions $f + g$ and $f \cdot g$ defined on the closed interval $[0, 10]$ are shown below.
For the real numbers $a, b$ and $c$ in the closed interval $[0, 10]$,
  • $f(a), f(b)$ and $g(b)$ values are positive,
  • $g(a), f(c)$ and $g(c)$ values are negative.

Accordingly, which of the following is the correct ordering of $a, b$ and $c$?
A) $a < c < b$ B) $b < a < c$ C) $b < c < a$ D) $c < a < b$ E) $c < b < a$
In the rectangular coordinate plane, the graphs of the functions $f + g$ and $f \cdot g$ defined on the closed interval $[0, 10]$ are shown below.

For the real numbers $a, b$ and $c$ in the closed interval $[0, 10]$,

\begin{itemize}
  \item $f(a), f(b)$ and $g(b)$ values are positive,
  \item $g(a), f(c)$ and $g(c)$ values are negative.
\end{itemize}

Accordingly, which of the following is the correct ordering of $a, b$ and $c$?

A) $a < c < b$
B) $b < a < c$
C) $b < c < a$
D) $c < a < b$
E) $c < b < a$