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Math 1050-006 Midterm 3 Practice Test
1.) Simplify the following exponential expressions:
—1
a) l25
-?;-5—
b)(32°0)°°
+3x—7)
2
and g(x)=1 (5x
2.) Graphf(x)=
y-axis
y-axis
()
6
ZH*Z z
5
4
3
2
-
-6
—
-
-5
-4
-3
=
=
-2
-1
=
1
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-
-
2
—
3
4
-
5
-
-
—
—
—
—
x-a xis
6
—
—
—
—
—
—
—
—
—
—
4
5
x-axis
1
-
-6
—
—
-5
-4
—
-3
—
-2
—
-1
.2
-2
-3
-3
1
2
3
6
.4
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1
yo
-9
-5
-6
(c5
-
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3.) Benjamin Franklin before his death invested $1000 dollars into the Bank of Boston, if the value
of his investment increased by 5% every year how much money would there be in his
account 200 years later? (just set up your equation, you are not expected to be able to evaluate the answer)
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4.) What is the implied domain of the rational function
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Z
r(x)=3_5)+X+1)
(x—2)(x— 4)
)
5.) Identify the verical asymptotes, x-intercepts, and leading order term of the rational fucntion
-f 1)
2
4(x+2)(x
r(xj
3 (x —3) (x —1)
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p
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3
6.) Use your solutions from problem #6 to graph the rational
(from problem 5)
y-axis
((
x-axis
0
ri
+0
C’J
--
—
y
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C
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ill
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13.) Solve the exponential equation:
e_X=
e)1S e’
1
for x
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o
xt-5 -il
_<_
(xi-c)
- (i()
C
(
3)(-
14.) Solve the logarithmic function: loge (/E) = 5 for x
t
=
5
ID5()9
(h)
(-)
ID
)
5
((x+1)
10
15.) Solve the logarithmic function: 1og
=
—15
—
-ç
-
3
to
k)
I
3
OôO
1000
99\
16.) Findthedomainofgifg(x)=
1
x
2
2x—4
4
if xe(—co,2)
if xe(3,4]
if xE[4,c’)
(1 [)
(-x,
)
\i
(,co)
.
17.) Using g(x) from problem 1Zevaluate the function if you are able to
(if not write undefined and write why)
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a) g(O)
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b)g(-)
c) g(6)
z)
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x •s
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0
0
0
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x
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