–6 –4 –2 246
2
6
–2
–4
–6
(0,0)
(–1,1) (1,1)
(–2,4) (2,4)
v
w
Figure 14-12 Cartesian graph of the function w=v^2.
–6 246
t
u
20
40
60
–60
(0,0)
(2,8)
(4,64)
(–4,–64)
(–2,–8)
(–3,–27)
(3,27)
Figure 14-13 Rectangular graph of the function
u=t^3. This is not a true Cartesian graph
because the increments on the vertical
axis differ in size from those on the
horizontal axis.
Three Functions 233