The illustration shows the graphs of twelve functions. Three of
them have equations y=x^2, x=y^2 and x=-y^2+2. Find the equations
of all the other graphs.
Which Is Cheaper?
Age 14 to 16 Challenge Level:
A table might help:
Hours
parked
Cost
Car park A
Cost
Car Park B
1
2
3
4
5
6
Once you've constructed a table, how else might you represent the information?