Use the slope formula
y2-y1
m=---------
x2-x1
(rise-->y over run-->x)
so it would be
9-5
m=-------
1-10
and that would simplify to
4
----
-9
and that would be your slope.
Hope that helped :-)
You forgot picture.So I can't explain that
5
g(f(-5))
g( | 2 * -5 + 9 | )
g( |-1| )
g(1)
5
