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Chapter 5 Review
Sketch a graph of the situation.
 The amount of milk in your container over one lunch period
Determine if the relation is a function.
If it is, state the domain and range.
 (-2, 5), (8, 6), (3,12), (5,6), (5, 0)
Determine if the relation is a function.
If it is, state the domain and range.
Using the domain (-2,-1, 0, 1, 2) graph the
function. Then identify the type of function.
 f(x) = 1.5x – 3
x
y
-2
-6
-1
-4.5
0
-3
1
-1.5
2
0
I helped out, you will have to do
the table on your own on the test!
Using the domain (-2,-1, 0, 1, 2) graph the
function. Then identify the type of function.
 f(x) = −𝑥 2 + 4
Write a function rule to describe the
situation.
 The cost in dollars of printing dollar bills when it costs 3.8 cents to print a
dollar bill.
Write a function rule to describe the
situation.
 The amount of money you earn mowing lawns at $15 per lawn.
Write a function rule to describe the
situation.
 The profit you make selling flowers at $1.50 each when each flower costs 80
cents.
Write a function rule for the table.
x
y
-1
-2
1
4
2
7
10
31
Write a function rule for the table. Then
decide if it is direct, inverse, or no variation.
x
y
-5
10
-4
8
0
0
1
-2
Describe a situation that could be
modeled by the equation y= 5x
The price of a turkey depends on its weight.
Suppose turkeys sell for $.59 per pound.
 Write a rule to describe the function.
 What is the price of a 14 lb. turkey?
 If you had $10 to buy a turkey, how big a turkey could you buy?
Define Inverse variation and direct
variation
Write an equation of the direct
variation that includes the point.
 (5, -10)
Write an equation of the inverse
variation that includes the point.
 (4,5)
Write an equation of the direct and inverse
variation that includes the point.
 (-12,-4)
Determine whether the graph is direct
variation, if yes, then write an equation for
the graph.
Determine whether the graph is direct
variation, if yes, then write an equation for
the graph.
Solve
 A car uses 8 liters of gas to travel 160 km. How much gas will the car use to
travel 400 km?
What’s the common difference? And
find the next 3 terms.
 -55, -50, -45, …
What’s the common difference? And
find the next 3 terms.
 1.7, 2.7, 3.7,…
Find the fifth term.
 A(n) = 2 + (n – 1) (-2.5)
Find the 112th term
 2, 9, 16,…
Find the fifth term.
 A(n) = -9 + (n – 1)3
Find the constant of variation for each
inverse variation.
 y = 5 when x = 6
Find the constant of variation for each
inverse variation.
 y = 78 when x = 0.1
Is the sequence arithmetic? Justify
answer
 128, 64, 32, …
Is the sequence arithmetic? Justify
answer
 3, 3.25, 3.75, …
Direct or inverse variation? Explain.
 The $45 cost of a dinner at a restaurant is split among several people.
Direct or inverse variation? Explain.
 You buy some books for $18 each.
Define Function.
Define Domain and Range