1.
Which is the graph of the equation
y
= 2
x
2
- 1?
A.
B.
C.
D.
Hint
2.
What is the multiplicative inverse of
x
?
A.
1 ×
x
B.
C.
x
× 1
D.
x
Hint
3.
Use the graph to find the solution to 35 = 20
x
+ 3.
A.
x
= 2.5
B.
x
= 1.6
C.
x
= 1.2
D.
x
= 2.1
Hint
4.
Use the graph to find the positive solution to 475 = 4.9
x
2.
A.
x
= 8.1
B.
x
= 9.3
C.
x
= 9.8
D.
x
= 8.9
Hint
5.
What is the form of an equation for a doubling pattern?
A.
y
=
x
2
B.
y
=
x
+ 2
C.
y
= 2
x
D.
2
y
=
x
Hint