Business Calculus Quiz
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FUNCTIONS, MODELS & ALGEBRA TOOLS
Question 1
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The solution to the equation
2
x
+
2
=
3
x
−
1
2^{x+2} = 3^{x-1}
2
x
+
2
=
3
x
−
1
can be written in the form
x
=
ln
(
A
)
ln
(
B
)
x = \frac{\ln(A)}{\ln(B)}
x
=
l
n
(
B
)
l
n
(
A
)
. What are the values of
A
A
A
and
B
B
B
?
A
A
=
12
A=12
A
=
12
,
B
=
1.5
B=1.5
B
=
1.5
B
A
=
6
A=6
A
=
6
,
B
=
1
B=1
B
=
1
C
A
=
5
A=5
A
=
5
,
B
=
1
B=1
B
=
1
D
A
=
0.75
A=0.75
A
=
0.75
,
B
=
6
B=6
B
=
6
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