Algebra Know-It-ALL

–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