AP Precalculus Quiz
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EXPONENTIAL AND LOGARITHMIC FUNCTIONS
Question 1
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Based on the scenario above, find
Δ
pH
\Delta\text{pH}
Δ
pH
if
[
H
+
]
A
=
10
−
3
[H^+]_A=10^{-3}
[
H
+
]
A
=
1
0
−
3
and
[
H
+
]
B
=
10
−
5
[H^+]_B=10^{-5}
[
H
+
]
B
=
1
0
−
5
.
A
Δ
pH
=
−
2
\Delta\text{pH}=-2
Δ
pH
=
−
2
B
Δ
pH
=
log
10
(
10
−
3
)
log
10
(
10
−
5
)
\Delta\text{pH}=\dfrac{\log_{10}(10^{-3})}{\log_{10}(10^{-5})}
Δ
pH
=
lo
g
10
(
1
0
−
5
)
lo
g
10
(
1
0
−
3
)
C
Δ
pH
=
2
\Delta\text{pH}=2
Δ
pH
=
2
D
Δ
pH
=
10
−
2
\Delta\text{pH}=10^{-2}
Δ
pH
=
1
0
−
2
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