Download Quiz—Writing Function Rules

ACC Math
Name________________________
Review -- Function Rules
Date ________
Period ______
Write equation that corresponds to the values in each table and write your answer on the line.
1)
x
y
-3
4
-2
3
-1
2
0
1
1
2
_________________
3)
x
y
-2
-9
-1
-7
0
-5
1
-3
2
-1
_________________
2)
x
y
-1
8
0
6
1
4
2
2
3
0
_________________
4)
x
y
-2
-10
-1
-7
0
-4
1
-1
2
2
_________________
5)
A driving range charges $3 to rent a golf club plus $2.50 for every bucket
of golf balls you drive. Write a function rule that shows the total cost of driving
b buckets of golf balls. Graph the function.
6)
Write an equation that demonstrates the relationship between a and b.
a
1
2
3
4
5
6
b
3
5
13
Equation: _________________________
7)
Write an equation that demonstrates the relationship between x and y.
x
y
-1
-2
0
-3
1
-4
2
-5
3
-6
4
5
Function Rule: _________________________
8)
Write a function rule for the table then plot the information. Be sure to
label each axis.
Packages
(x)
2
3
4
5
Cookies
(y)
20
24
28
32
Function Rule: _________________________
9)
Create a table of x and y values for the following equation and graph your
results. Be sure to put arrows at the ends of your line and label it.
y
7
y = 3x - 1
6
5
4
3
2
1
–7
–6
–5
–4
–3
–2
–1
–1
1
2
3
4
5
6
7
x
–2
–3
–4
–5
–6
–7
10) The table shows the number of articles Serena read for her research
project in the last 5 days.
Articles Read by Serena
Days (d) Articles (a)
1
3
2
5
3
7
4
9
5
11
Using the information in the table, write an equation
that represents the relationship between the number
of articles Serena read and the number of days she
researched.
Equation __________________________
Using your equation, determine the number of articles Keisha would have read by
the end of the 10th day if she continued reading at the same rate.
Show your work.
Answer ____________________ articles
11)
A computer salesperson receives a weekly salary of $250 plus a commission of $12 for
each computer for each computer sold. Write an equation, make table and graph the function.
Equation
Table
Graph
12)
A charter bus service charges a $ 125 transportation fee plus $8.50 for each passenger.
This is represented by the equation c = 8.50p + 125, where c is the total cost base on p
passengers. What is the total cost of transportation for the following numbers of passengers:
50, 100, 150, 200,, and 250? Make the table and graph the equation.
Table
Graph