Exam 9: New Functions From Old

Use the tables to evaluate .

Find a polynomial function with horizontal intercepts 2, 4, and 5 and vertical intercept 120. Write your answer in factored form, with .

Which equation describes the graph

What values cannot be in the domain of this function?

Evaluate where and Give a decimal answer. Round your answer to 2 decimal places, if necessary.

Start up costs for a small business are $100,000. Each product costs $2.50 to produce. Construct a function for the total cost of producing x products.

Choose the description that describes the end behavior of the graph of .

Evaluate the expression for x = 40. (Round the answer to two decimal places if necessary.)

Determine which statement is true for

Find a polynomial function with horizontal intercepts 1, 2, 3, 4, and 7 and vertical intercept -168. Write your answer in standard form, .

Find the domain of the function

State the degree of the function:

Which polynomial function describes the graph Graph

If f(x) = 4^x and g(x) = 2^x, evaluate .

A new virus has been discovered and is spreading through the population of a small island nation. It is estimated that each person who is infected will spread the virus to 6 people each day. Construct a function to model the number of people infected after t days if the virus started with just one person on day 1.

Select the equation whose graph is the graph of vertically stretched by a factor of 8.

Find the horizontal intercepts of the function . Write your answers in ascending order .

Select the choice which best describes the graph of .

Evaluate where and Give a decimal answer. Round your answer to 2 decimal places, if necessary.

For the function identify any horizontal asymptotes. Enter the equation of the asymptote , use reduced fractions.