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Linear Functions and Comparing Properties of Functions Assessment Math8 Sections 4.4 - 4.5

Last updated over 5 years ago

15 questions

1

Complete the function table for the function y=2x-3.

1

Graph the function y=2x-3. (Use the tools on the right to complete your graph.)

1

The phone company V-Mobile charges $100 a month for their family plan plus an additional $30 per phone line on the plan. Write a function to represent the situation using C(p) and p. (No spaces in your function)

1

Using your function from #3, make a function table to find the total charge for 1, 2, 3, or 4 phone lines.

1

Graph the function from #3.

1

Is the function continuous or discrete?

1

Explain your answer of discrete or continuous in the context of this problem.

1

A fitness center has set a goal to have 500 members. The fitness center already has 150 members and adds an average of 25 members per month. The function f(x) = 150 + 25x represents the membership after x months. Graph the function.

1

Determine the number of months it will take for the fitness center to reach its membership goal.

1

Compare the functions by comparing the rates of change.

1

How much farther does a coyote run than a giraffe after 3 hours?

1

Melanie charges $7.50 an hour to babysit. The table shows how much Luisa charges for babysitting.
Compare the functions by comparing their rates of change.

1

How much more does Luisa make for babysitting than Melanie if they both babysit for a total of 7 hours?

1

For every computer that is sold, Kendall receives $250 in commissions. The amount of money Peter receives in commissions can be represented by the function y = 225x where y is his commission and x is the number of computers sold. Compare the functions by comparing their rates of change.

1

How much more does Kendall receive in commissions than Peter if they both sell 5 computers?