1.
Triple the number, subtract 5, and square the result.Which function describes the rule?
A.
y
= (3
x
– 5)
2
B.
C.
y
= 3(
x
– 5)
2
D.
y
= 3
x
2
– 5
Hint
2.
Find the domain of the function.
y
= –
x
+ 3
A.
all real numbers except 3
B.
all real numbers
C.
all real numbers except 1
D.
all real numbers except –3
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.
Find the
x
-intercepts of the graph of f(
x
) = –
x
2
+ 4
x
+ 12.
A.
–2, 16
B.
2, 16
C.
–2, 6
D.
–2, –6
Hint