Acity is built around a circular lake that has a radius of 1 mile. the population density of the city is f (r) people per square mile, where r is the distance from thecenter of the lake, in miles. which of the following expressions gives the number of people who live within 1 mile of the lake?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Identify the parent function that can be used to graph the function f(x)=3(x-9)2