MATH
002
EXAM
#3D
Square
Root
Function
and
Rational
Exponents
Wednesday,
November
12,
1997
NAME:_____
โโโโโโโโโโโDisc,
time:_
INSTRUCTIONS:
Please
show
all
work
in
order
to
receive
any
partial
credit.
Unless
otherwise
specified,
give
exact
answers
in
simplified
form,
i.e.,
do
not
use
decimal
approximations.
BOX
your
final
answers.
[19]
1.
Use
the
function
below
to
answer
the
following
questions.
y
=
\Jx
+
3
โ
4
[4]
a.
Describe
the
shifts
of
the
basic
square
root function's
graph
that
are
necessary
in
order
to
obtain
the
graph
of
the
function
above.
Horizontal
shift:_____โ
โ
___
Vertical
shift:_______.
[2]
b.
What
is
the
starting
point
of
the
function
above?
Starting
point:
[2]
c.
What
is
the
yโ
intercept,
if
any,
of
the
function
above?
yโ
[4]
d.
What
is(are)
the
:r-intercept(s), if
any,
of
the
function
above?
x-
-o
[3]
e.
Graph
the
function
in
the
space
provided
and
LABEL
all
points
that
you
found
above
x
>
-3
[2]
f.
What
is
the
domain
of
the
function
above?
Domain:______________
y
โข>
-y
[2]
g.
What
is
the
range
of
the
function
above?
Range:โโโ'_________
