The slope of graph as shown in figure at points $1,2$ and $3$ is $m_1, m_2$ and $m_3$ respectively then
$m_1 > m_2 > m_3$
$m _1 < m _2 < m _3$
$m_1=m_2=m_3$
$m _1= m _3 > m _2$
The slope of the tangent to the curve $y = ln\, (cos\,x)$ a $x = \frac{3\pi}{4}$ is
In the given figure, each box represents a function machine. A function machine illustrates what it does with the input.Which of the following statements is correct?