The graph of y-3=2.5(x-1) is shown. ( check image ) the graph can be used to model the amount of water , y , being poured into an 8 - ounce glass iver x seconds . whats the range of the function in context ?

Answer:
y - 3 = 2.5(x - 1)
y - 3 = 2.5x - 2.5
y = 2.5x + .5
Range: [.5, 8]