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Precalculus Examples
Popular Problems
Precalculus
Evaluate log base 2 of 40- log base 2 of 5
log
2
(
40
)
-
log
2
(
5
)
log
2
(
40
)
−
log
2
(
5
)
Step 1
Use the
quotient
property of logarithms,
log
b
(
x
)
-
log
b
(
y
)
=
log
b
(
x
y
)
log
b
(
x
)
−
log
b
(
y
)
=
log
b
(
x
y
)
.
log
2
(
40
5
)
Step 2
Logarithm
base
2
of
40
5
is
3
.
3
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
7
7
8
8
9
9
≤
≤
°
°
θ
θ
4
4
5
5
6
6
/
/
^
^
×
×
>
>
π
π
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
∞
∞
,
,
0
0
.
.
%
%
=
=
[
x
2
1
2
√
π
∫
x
d
x
]
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