A ceiling fan revolves approximately 39 times in 30 seconds. At this rate, how many times does the ceiling fan revolve per second?
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Which of the following is another way to express the difference between -5 and 8?

33 ! use the following data to determine the type of function (linear, quadratic, exponential) that best fits the data set. (1, 2) (5, 7) (9, 8) (3, 4) (4, 5) (2, 3)

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.