$Consider\ the\ values\ for\ f(x)=\sin x\ .\ What\ is\ the\ behavior\ of\ graph\ at\ -\frac{\pi}{2}<x<0\ ?$

Consider the  function $f(x)=5Sinx$ .

 What is behavior of the graph at $\left[\frac{\pi}{2},\pi\right]$  ?

Is the sentence true or false?

$h(x)=3Sinx$   is decreasing on $\left[0,\frac{\pi}{2}\right]$  .

Consider the  function $f(x)=3Sinx$ .

 What is behavior of the graph at $\left[0,\frac{\pi}{2}\right]$  ?

 Is the sentence true or false?

$h(x)=Sinx$  is decreasing on $\left[\frac{\pi}{2},2\pi\right]$  .

$Consider\ the\ values\ for\ f(x)=-\sin x\ .\ What\ is\ the\ behavior\ of\ graph\ at\ -\frac{\pi}{2}<x<0\ ?$

Is the sentence true or false?

$h(x)=Sinx$ is decreasing on $[0,\pi]$ .

$Consider\ the\ values\ for\ f(x)=\sin x\ .\ What\ is\ the\ behavior\ of\ graph\ at\ \frac{3\pi}{2}<x<2\pi\ ?$

Consider the  function  $g(x)=8Sinx$ . 

What is behavior of the graph at $\left[\frac{\pi}{2},\frac{3\pi}{2}\right]$?

$Consider\ the\ values\ for\ f(x)=-\sin x\ .\ What\ is\ the\ behavior\ of\ graph\ at\ \frac{\pi}{2}<x<\pi\ ?$