1.
Which function is not linear?
A.
f
(
x
) = 14
x
+ 7
B.
C.
f
(
x
) = 8
D.
f
(
x
) = 2
x
3
Hint
2.
Find the
y
-intercept of the graph of 2
x
- 5
y
= 10.
A.
-2
B.
2
C.
5
D.
0
Hint
3.
The temperature in degrees Fahrenheit can be expressed by the function
F
(
c
) = 1.8
c
+ 32 where
c
is the temperature in degrees Celsius. Find the temperature in degrees Fahrenheit (to the nearest degree) if it is 18°
C
outside.
A.
42
B.
212
C.
64
D.
20
Hint
4.
Given
find ?
A.
9
B.
–12
C.
10
D.
–9
Hint
5.
Given
find
A.
1
B.
–7
C.
–1
D.
7
Hint