1.
What is the
x
-intercept of the graph below?
A.
2
B.
-3
C.
3
D.
-2
Hint
2.
Find the
y
-intercept of the graph of 2
x
- 5
y
= 10.
A.
-2
B.
5
C.
2
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.
20
B.
42
C.
212
D.
64
Hint
4.
Consider the function
f
(
x
) = -2(
x
+ 8). Is this function a linear function? Why or why not?
A.
Yes, the coefficient of
x
is not zero.
B.
No,
f
is not a function.
C.
No, the function cannot be written in the form
f
(
x
) =
mx
+
b
.
D.
Yes, the function can be written in the form
f
(
x
) =
mx
+
b
.
Hint
5.
Given
find
A.
1
B.
7
C.
–7
D.
–1
Hint