Exam 1: An Introduction to Data and Functions

The following graph shows the population (in thousands) of two cities, City 1 and City 2. What year's census saw a decrease in city 2's population?

The table shows starting salaries from a survey of recent college graduates: A) How many students were surveyed? B) What is the relative frequency of a graduate having a salary between $11,000 and $15,000? Round your answer to 2 decimal places.

Find the range of this function. Express the range in interval notation.

For the equation: what value cannot be in the domain?

Use technology to graph the function and then determine the interval on which the graph is concave upward. State your answer in interval notation. y = x³ - 3x

A taxi company has the following fare policy: any trip of 5 miles or less costs $5.00 and the cost for each additional mile is $0.35. The company will not make a trip longer than 30 miles. Which formula and domain best describe the relationship between the cab fare, f, and the length of the trip, t, 5 miles or longer.

Here are the number of home runs that Babe Ruth hit in each of his 15 years with the New York Yankees, 1920 to 1934. 54, 59, 35, 41, 46, 25, 47, 60, 54, 46, 49, 46, 41, 34, 22 Calculate the each of the following for this data. a) the mean and b) the median. Round your answer to 2 decimal places.

Use the graph of y = f(x) to find f(-1).

Use the graph to evaluate f(4).