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Biblioteka

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

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Pitanje 1
1.

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

Pitanje 2
2.

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

Pitanje 3
3.

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)

Pitanje 4
4.

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

Pitanje 5
5.

Graph the function from #3.

Pitanje 6
6.

Is the function continuous or discrete?

Pitanje 7
7.

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

Pitanje 8
8.

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.

Pitanje 9
9.

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

Pitanje 10
10.

Compare the functions by comparing the rates of change.

Pitanje 11
11.

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

Pitanje 12
12.

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.

Pitanje 13
13.

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

Pitanje 14
14.

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.

Pitanje 15
15.

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