1.
Consider a function machine that gives the positive square root of the input. If the input is
, what is the output?
A.
B.
C.
D.
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.
326 ft
B.
350 ft
C.
320 feet
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.
Consider the function
f
(
x
) = 2
x
. Find the domain and range.
A.
domain:
all real numbers
range:
all real numbers less than zero
B.
domain:
all real numbers greater than zero
range:
all real numbers except zero
C.
domain:
all real numbers
range:
all real numbers
D.
domain:
all real numbers greater than zero
range:
all real numbers greater than zero
Hint