Question

PLEASE HELP!!
Question 5:
Kim is studying the sale of a particular brand of cereals from the year 2000 to 2010. She writes the following function to model the sale of the cereal S(t), in million dollars, after t years:
S(t) = t2 + 7t + 69
Part A: What does the y-intercept of the graph of the function represent? (4 points)
Part B: What is the reasonable domain of the graph of the function? (3 points)
Part C: What is the average rate of change of the sale of the cereal from the first year to the fourth year? Show your work. (3 points)

Answer 1

Answers:
Part A: The sales during year 0
Part B: All real numbers
Part C: the average rate of change of the sale of the cereal from yr 1 to yr 4 is 12

Answer 2

@Austin6i6

Answer 3

@pooja195

Answer 4

@uri

Answer 5

Please Help me?! =)