56)
Find the range.
A)
{x|2 x 5}
B)
{2, 3, 4, 5}
C)
{–5, –3, –1, 1, 3}
D)
{x|–5 x 3}
The graph of a function f is provided. Determine the requested function value.
57)
f(–2)
A)
–1
B)
–3
C)
1
D)
3
58)
f(-1)
A)
2
B)
-1
C)
4
D)
-4
59)
f(2)
A)
4
B)
0
C)
-4
D)
8
60)
f(0)
A)
0
B)
-2
C)
2
D)
-8
61)
f(2)
A)
-6
B)
-5
C)
2
D)
-3
62)
f(x) =-1
A)
-1
B)
0
C)
1
D)
2
63)
f(x) =4
A)
3
B)
-2
C)
-3
D)
5
64)
f(x) =-1
A)
–1, 3
B)
–1
C)
1, -3
D)
-3, 5
65)
f(x) =3
A)
0, 4
B)
3, 1
C)
3
D)
1
66)
f(x) =3
A)
4
B)
{x|3< x <4}
C)
{x|3 x 4}
D)
{x|3< x 4}
Find the domain.
67)
f(x) =
7
x – 4
A)
{x
x is a real number and x -4}
B)
{x
x is a real number and x 7}
C)
{x
x is a real number and x -7}
D)
{x
x is a real number and x 4}
D
68)
f(x) =
–8
1– x
A)
{x
x is a real number and x –1}
B)
{x
x is a real number and x –8}
C)
{x
x is a real number and x 1}
D)
{x
x is a real number and x 8}
C
69)
f(x) =9x + 5
A)
{x
x is a real number and x -0.5555556}
B)
{x
x is a real number and x 5}
C)
{x
x is a real number and x 9}
D)
All real numbers
D
70)
f(x) =7x + 3
A)
{x
x is a real number and x -1}
B)
{x
x is a real number and x -0.33333333}
C)
{x
x is a real number and x -3}
D)
All real numbers
D
71)
f(x) =x2+ 7
A)
{x
x is a real number and x 7}
B)
{x
x is a real number and x -7}
C)
{x
x is a real number and x 7}
D)
All real numbers
D
26
D
72)
f(x) =
3x + 8
A)
{x
x is a real number and x –2.6666667}
B)
{x
x is a real number and x –0.375}
C)
{x
x is a real number and x -8}
D)
All real numbers
73)
f(x) =1
|51 – x|
A)
{x
x is a real number and x -51}
B)
{x
x is a real number and x <51}
C)
All real numbers
D)
{x
x is a real number and x 51}
D
74)
f(x) =x3+ 4
A)
{x
x is a real number and x -4}
B)
All real numbers
C)
{x
x is a real number and x 4}
D)
{x
x is a real number and x 34}
B
Find the function value.
75)
f(1)
A)
0
B)
-4
C)
-2
D)
-1
C
D
76)
f(-1)
A)
-5
B)
-2
C)
-3
D)
-1
Determine the slope and the y–intercept.
77)
y =8x +9
A)
Slope 9, y–intercept (0, -8)
B)
Slope -8, y–intercept (0, 9)
C)
Slope 8, y–intercept (0, 9)
D)
Slope 9, y–intercept (0, 8)
78)
f(x) =-8x – 1
A)
Slope -1, y–intercept (0, 8)
B)
Slope -8, y–intercept (0, -1)
C)
Slope 8, y–intercept (0, -1)
D)
Slope -1, y–intercept (0, -8)
79)
y =-1.75x + 7.6
A)
Slope -1.75, y–intercept (0, 7.6)
B)
Slope 7.6, y–intercept (0, -1.75)
C)
Slope 1.75, y–intercept (0, 7.6)
D)
Slope -1.75, y–intercept (0, –7.6)
80)
y =-6.9x – 4
A)
Slope 6.9, y–intercept (0, -4)
B)
Slope -4, y–intercept (0, -6.9)
C)
Slope -4, y–intercept (0, 6.9)
D)
Slope -6.9, y–intercept (0, -4)
81)
2x – 5y =-10
A)
Slope –2
5, y–intercept (0, -2)
B)
Slope 2
5, y–intercept (0, 2)
C)
Slope -2, y–intercept (0, 2)
D)
Slope 2, y–intercept (0, -2)
82)
4x – 5y + 5 = 0
A)
Slope 4
5, y–intercept (0, 1)
B)
Slope – 5
4, y–intercept (0, 1)
C)
Slope –4
5, y–intercept (0, -1)
D)
Slope 5
4, y–intercept (0, -1)
83)
13y +3x +4=3+3x
A)
Slope 3
13 , y–intercept (0, – 1
13 )
B)
Slope 0, y–intercept (0, 1
13 )
C)
Slope 0, y–intercept (0, – 1
13 )
D)
Slope –
3
13 , y–intercept (0, – 3
13 )
Find the slope of the line.
84)
A)
2
B)
1
C)
–2
D)
–1
85)
A)
1
B)
–1
C)
6
D)
-6
86)
A)
1
2
B)
2
C)
–
1
2
D)
–2
87)
A)
1
3
B)
–3
C)
3
D)
–
1
3
A
Find the slope of the line containing the two given points.
88)
(4, 5) and (3, 1)
A)
4
B)
– 4
C)
6
7
D)
1
4
A
89)
(6, –6) and (3, 6)
A)
– 1
4
B)
– 4
C)
0
D)
4
B
B
90)
(9, 2) and (6, 2)
A)
Undefined
B)
4
15
C)
0
D)
– 4
3
91)
(17, 9) and (8, 7)
A)
9
2
B)
16
25
C)
– 2
9
D)
2
9
D
92)
(-18.2, -1.1) and (-7.8, -19.5)
A)
– 23
13
B)
23
13
C)
13
23
D)
– 13
23
A
Find the slope (or rate of change). Use appropriate units.
93)
Find the slope (or pitch) of the roof.
1.9 ft
8.9 ft
A)
468.4%
B)
4.68%
C)
21.3%
D)
0.21%
C
94)
Distance
Traveled
in Miles
Number of Hours Spent Traveling
A)
0.2 miles per hour
B)
3.0 miles per hour
C)
0.3 miles per hour
D)
5.0 miles per hour
D
C
95)
Value of
Car in
Thousands
of Dollars
Number of Years of Use
A)
–$3000 per year
B)
$3000 per year
C)
$2000 per year
D)
–$2000 per year
96)
Monthly
Cellular
Phone
Charge in
Dollars
Minutes Cellular Phone is Used
A)
$–4.00 per minute
B)
$1.13 per minute
C)
$–0.25 per minute
D)
$0.80 per minute
Find the intercepts and then graph the line.
97)
9y – 3x =-6
32
A)
(0, –
2
3); (2, 0)
B)
(0, 2
3); (-2, 0)
C)
(0, 2
3); (2, 0)
D)
(0, –
2
3); (-2, 0)
98)
–4x – 12y =24
33
A)
(0, -2); (6, 0)
B)
(0, 2); (-6, 0)
C)
(0, 2); (6, 0)
D)
(0, -2); (-6, 0)
99)
x – 3y =6
34
A)
(0, 2); (-6, 0)
B)
(0, 2); (6, 0)
C)
(0, -2); (-6, 0)
D)
(0, -2); (6, 0)
100)
3x – 12y =0
35
A)
(0, 0); (0, 0)
B)
(0, 0); (0, 0)
C)
(0, 0); (0, 0)
D)
(0, 0); (0, 0)
101)
5x –2= y
36
A)
(0, –2); ( 2
5, 0)
B)
(0, 2
5); (–2, 0)
C)
(0, – 2
5); (–2, 0)
D)
(0, –2); (– 2
5, 0)
102)
f(x) = – 3–4x
37
A)
(0, –
3
4); (–3, 0)
B)
(0, –3); ( 3
4, 0)
C)
(0, 3
4); (–3, 0)
D)
(0, –3); (–
3
4, 0)
103)
3y =-15 +5x
38
A)
(0, 3); (5, 0)
B)
(0, –5); (3, 0)
C)
(0, 3); (–5, 0)
D)
(0, 5); (3, 0)
104)
2.3y –1.3x =5.98
39
A)
(0, 2.6); (-4.6, 0)
B)
(0, –2.6); (-4.6, 0)
C)
(0, -4.6); (2.6, 0)
D)
(0, 4.6); (2.6, 0)
Graph using the slope and the y–intercept.
105)
y =
4
5x + 5