1.
Find the domain of the function.
A.
all real numbers except 0
B.
all real numbers except 1
C.
all real numbers
D.
all real numbers except –1
Hint
2.
A flare is shot up into the sky modeling the formula h(t) = 2 + 144t – 16t
2
, where h is in feet and t is in seconds. Find the maximum height of the flare.
A.
350 ft
B.
320 feet
C.
326 ft
D.
300 ft
Hint
3.
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
+ 2
C.
f
(
x
) = –(
x
– 3)
2
+ 5
D.
f
(
x
) = –
x
2
+ 8
Hint
4.
Find the range of a parabola if the vertex is (–5, 3) and the parabola opens upward.
A.
range:
f
(
x
)
–5
B.
range:
f
(
x
)
–5
C.
range:
f
(
x
)
3
D.
range:
f
(
x
)
3
Hint