A weather station on the top of a mountain reports that the temperature is currently o Cand has been falling at a constant rate of 3 C per hour. What was the temperature, in degrees Celsius, 3 hours ago?

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

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