Graphs of Rational Functions — Unit test Answers

The president of a company creates a graph of the price of the company’s stock over one year. He describes the graph as follows:• The price of the stock rose to about $17 before falling to about $3.• There have only been two periods during which the price of the stock decreased.• The price of the stock is expected to increase in the long run.Which graph correctly shows the price of the stock?

Which term, when added to the given polynomial, will change the end behavior of the graph? y = 14x8 – 6x5 – 2x4 – 10

Which of the following could be the graph of y = –xn where n is odd?

Which statement about the simplified binomial expansion of (a + b2)n, where n is a positive integer, is true?

The side length, s, of a cube is 3x + 2y. If V = s3, what is the volume of the cube?

Which of the following accurately lists all discontinuities of the function below?

Which best describes the end behavior of ?

An international calling plan charges 45 cents per minute or fraction of a minute for each call. Which graph models the cost, y, in cents of making x minutes of international calls?

Which expression is a possible leading term for the polynomial function graphed below?