AP Precalculus Quiz
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EXPONENTIAL AND LOGARITHMIC FUNCTIONS
Question 1
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Based on the logarithmic expression provided, simplify
log
7
(
49
x
y
2
)
−
log
7
(
x
)
+
2
log
7
(
y
)
\log_7\!\left(\tfrac{49x}{y^2}\right)-\log_7(x)+2\log_7(y)
lo
g
7
(
y
2
49
x
)
−
lo
g
7
(
x
)
+
2
lo
g
7
(
y
)
for
x
,
y
>
0
x,y>0
x
,
y
>
0
.
A
log
7
(
49
y
4
)
\log_7(49y^4)
lo
g
7
(
49
y
4
)
B
log
7
(
49
y
2
)
\log_7(49y^2)
lo
g
7
(
49
y
2
)
C
log
7
(
49
y
4
)
\log_7\!\left(\tfrac{49}{y^4}\right)
lo
g
7
(
y
4
49
)
D
log
7
(
49
)
\log_7(49)
lo
g
7
(
49
)
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