Which one of the following four hairdryers can you use on a 120-V line? The safety fuse allows a maximum current of 10 A. a) Hai
rdryer 1 has a power of 700 Watts b) Hairdryer 2 has a power of 1250 Watts c) Hairdryer 3 has a power of 1300 Watts d) Hairdryer 4 has a power of 1350 Watts
The mathmatical way to solev it is to find the linear equation and plug in the points, but i just looked at the graph to see which point was in the shaded region.