Worksheet 2.10 Derivatives Of Log Functions & Log Diff Page 6
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7Calculus Maximus
WS 2.10: Log Functions
(
)
5 log
e
ln
x
2
_____ 12. Simplify the expression:
2
x
11
5
10
2
(A) 5
(B)
(C)
x
(D)
(E)
e
x
x
( )
( )
(
)
′
=
+
_____ 13. Which of the following is the domain of
f x
if
f x
log
x
3
?
2
x < −
x ≤
x ≠ −
x > −
x ≥ −
(A)
3
(B)
3
(C)
3
(D)
3
(E)
3
(
)
(
)
−
2 3
x
( )
( )
2
f ′
=
+
=
_____ 14. If
, then
f x
x
1
1
1
3
1
1
( )
( )
−
−
−
−
(A)
(B)
(C)
(D)
(E)
ln 8
e
ln 8e
ln 2
8
2
2
2
Page 6 of 7
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