Spring 2006, math2254-004 Exam 1 Dr. Taixi Xu Department of Math, SPSU
Math 2254-004 Exam 1
Name: Score: / 100
Turn in your summary for 5 points. Show all your works for full or partial credits.
No calculator is allowed.
1. (10 points) Let
2)(
3
xxf
. Find the value of
dx
df
1
at
)2(6 fx
without finding a
formula for
)(
1
xf
.
2. (10 points) Simplify the expression.
a)
27
1
log
3
b)
x
2
log
2
c)
yx
e
lnln
d)
)ln(ln
e
e
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