4x + 5 - 5x
4 x 12+ 5
48 + 5 - 5
53 - 5
48
The function is decreasing from x=0 to x=2
We can use the <em>less than</em> symbol which I have shown on the whiteboard.
Ignore the first example on the top right as that's another example.
So, we can say that 11 < 20 or 11 is less than 20.
The first one is c.
3x+5<23
-5. -5
3x=18
X=6
The second one is d
Sin125, on the unit circle, should be positive(not negative), since it should be in quadrant two if the angle 125 degrees is in standard position.