intersecting graphs
Examine the graphs of a line, a parabola, and an exponential function. When any two of these graphs are graphed on the same set of axes, which pair(s) will produce the most intersections? the least intersections? Explain your reasoning.

Related External Resources 
Car Rental Quandary
Two car rental companies have different rates. Determine how long you would need to drive in order for both companies to charge an equal amount.

Submit your idea for an investigation to InterMath.
