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Table I
\newline
\begin{tabular}{lrrrr}
\newline
x
x
x
&
0
0
0
.
792
792
792
&
□
\square
□
&
1
1
1
.
5
5
5
&
1
1
1
.
661
661
661
\\
\newline
\hline
f
(
x
)
=
b
x
f(x)=b^{x}
f
(
x
)
=
b
x
&
3
3
3
&
7
7
7
&
8
8
8
&
10
10
10
\newline
\end{tabular}
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Home
Math Problems
Algebra 2
Multiply and divide rational expressions
Full solution
Q.
Table I
\newline
\begin{tabular}{lrrrr}
\newline
x
x
x
&
0
0
0
.
792
792
792
&
□
\square
□
&
1
1
1
.
5
5
5
&
1
1
1
.
661
661
661
\\
\newline
\hline
f
(
x
)
=
b
x
f(x)=b^{x}
f
(
x
)
=
b
x
&
3
3
3
&
7
7
7
&
8
8
8
&
10
10
10
\newline
\end{tabular}
Solve for b:
We have
f
(
0.792
)
=
3
f(0.792) = 3
f
(
0.792
)
=
3
, which means
b
0.792
=
3
b^{0.792} = 3
b
0.792
=
3
. Let's solve for b.
\newline
Take the logarithm of both sides to get
0.792
⋅
log
(
b
)
=
log
(
3
)
0.792 \cdot \log(b) = \log(3)
0.792
⋅
lo
g
(
b
)
=
lo
g
(
3
)
.
Isolate
log
(
b
)
\log(b)
lo
g
(
b
)
:
Divide both sides by
0.792
0.792
0.792
to isolate
log
(
b
)
\log(b)
lo
g
(
b
)
. So,
log
(
b
)
=
log
(
3
)
0.792
\log(b) = \frac{\log(3)}{0.792}
lo
g
(
b
)
=
0.792
l
o
g
(
3
)
.
Calculate
log
(
b
)
\log(b)
lo
g
(
b
)
:
Use a calculator to find
log
(
3
)
\log(3)
lo
g
(
3
)
and then divide by
0.792
0.792
0.792
.
log
(
3
)
≈
0.4771
\log(3) \approx 0.4771
lo
g
(
3
)
≈
0.4771
, so
log
(
b
)
≈
0.4771
0.792
\log(b) \approx \frac{0.4771}{0.792}
lo
g
(
b
)
≈
0.792
0.4771
.
Find
b
b
b
:
Calculate
log
(
b
)
≈
0.4771
0.792
\log(b) \approx \frac{0.4771}{0.792}
lo
g
(
b
)
≈
0.792
0.4771
to get
log
(
b
)
≈
0.6024
\log(b) \approx 0.6024
lo
g
(
b
)
≈
0.6024
.
Use exponentiation:
Now, to find
b
b
b
, we need to use the inverse of the logarithm, which is the exponentiation. So,
b
=
1
0
log
(
b
)
=
1
0
0.6024
.
b = 10^{\log(b)} = 10^{0.6024}.
b
=
1
0
l
o
g
(
b
)
=
1
0
0.6024
.
Final calculation:
Use a calculator to find
1
0
0.6024
10^{0.6024}
1
0
0.6024
.
b
≈
1
0
0.6024
≈
4.02
b \approx 10^{0.6024} \approx 4.02
b
≈
1
0
0.6024
≈
4.02
.
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