A consumer organization studied the effect of the age of an automobile owner on the cash offer for a used car. Twelve persons in each age group (Group 1: young, Group 2: middle, Group 3: elderly) acted as the owner of the same used car and solicited cash offers from 36 dealers selected at random. The cash offer for each dealer was recorded. What are the experimental units in this experiment

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Which function is represented by the graph

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.