1.
Consider the function
f
(
x
) = 3
x
– 1. Write the new equation of the function after it has been translated 2 units to the right.
A.
f
(
x
) = 3
x
+ 5
B.
f
(
x
) = 3
x
– 7
C.
f
(
x
) = 5
x
– 1
D.
f
(
x
) = 3
x
+ 1
Hint
2.
Consider the function
f
(
x
) = –
x
2
+ 5. Write the new equation of the function after it has been translated 3 units down.
A.
f
(
x
) = –(
x
– 3)
2
+ 5
B.
f
(
x
) = –
x
2
+ 8
C.
f
(
x
) = –(
x
+ 3)
2
+ 5
D.
f
(
x
) = –
x
2
+ 2
Hint
3.
Find the line of symmetry of the graph of
f
(
x
) =
x
2
– 4
x
+ 5.
A.
x
= 2
B.
x
= –1
C.
x
= 1
D.
x
= –2
Hint
4.
How many solutions does the equation have?
x
2
– 6
x
+ 8 = 2
x
– 3
A.
0
B.
2
C.
1
D.
3
Hint
5.
Approximate the solution to
x
3
– 4
x
– 1 =
x
+ 4.
A.
x
= 1.3
B.
x
= 2.6
C.
x
= 0
D.
x
= 5.2
Hint