Below is the graph of the rate r at which people arrive for lunch at Cafeteria Charlotte.Checkers start at 12:00 noon and can pass people through at a constant rate of 5 people/minute.Let f(t)be the length of the line (i.e.the number of people)at time t.Suppose that at 11:50 there are already 150 people lined up.Using the graph together with this information, when is the line the longest? 
Definitions:
Monohybrid Cross
A genetic cross between parents that differ in one characteristic, looking at the inheritance of a single trait.
Punnett Square
Visual representation developed by Reginald Punnett that is used to calculate the expected results of simple genetic crosses.
Phenotypic Ratio
The proportion of different phenotypes observed among offspring in genetic crosses, reflecting genetic variation.
Homozygous
Possessing two identical alleles for a particular trait.
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