Combine it All Together
A function is described by the equation f (x) = x2 + 5.
The replacement set for the independent variable
is {1, 5, 7, 12}. Which of the following is contained
in the corresponding set for the dependent
variable?
•
•
•
•
A
B
C
D
0
6
7
15
Which equation could be used to generate
this table of values?
•
•
•
•
A
B
C
D
y = −2x
y = 2x + 1
y=x+1
y = x2 + 1
Vicki works as a salesclerk in a clothing store. She
earns $10 per hour plus a commission of 6% of her
total sales. Which equation represents e, her total
earnings when she works h hours and sells a total of
d dollars in merchandise?
•
•
•
•
A
B
C
D
e = 10h + 0.06d
e = 10h + 0.6d
e = 6h + 10d
e = 0.06h + 10d
Troy borrowed money from
his father so that he
could buy a used car.
The table shows the
remaining balance, b, of
Troy’s loan after each
payment.
Which function can be used
to describe this
relationship?
•
•
•
•
A
B
C
D
b = 3910 + 225p
b = 4135 − 225p
b = 2785 + 225p
b = 3685 − 225p
The height, h, of a football when kicked with respect
to time, t, is described by the function h = −16t2 +
48t. Which graph shows the correct sketch of this
function?
A
B
• Jake studied the parabola
shown below.
Which is an accurate
conclusion that Jake could
make about this parabola?
• A The vertex is at (−2, 0).
• B The minimum value is
at (0, −4).
• C The maximum value is
at (2, 0).
• D The axis of symmetry is
the x-axis.
Which of the following represents the parent function
of y = x2 − 2x − 15?
•
•
•
•
A
B
C
D
y=x
y = x2 − 15
y = x2
y = −2x
Which of the following are the domain
and range for the graph shown
below?
A 0≤x≤4
0 ≤ y < 36
B 0 ≤ x ≤ 36
0.5 ≤ y ≤ 3.5
C 0.5 < x < 3.5
0 < y < 36
D 0.5 ≤ x ≤ 3.5
0 ≤ y ≤ 36
Which statement is true for
the graph below?
• A Ms. Goodlett will
earn $500 if she sells
$5000 worth of
merchandise.
• B Mr. Murphy will not
earn any money if he
does not sell any
merchandise.
• C Mr. Lefeber will earn
$1000 if he sells $1000
worth of merchandise.
• D Ms. Cho will earn
$700 if she sells $5000
worth of merchandise.
Which equation best represents the area, A, of the
rectangle below?
•
•
•
•
A
B
C
D
A = 2x + 2(x + c)
A = x2 + (x + c)2
A = x(x + c)
A = 2x(x + c)
x+c
x