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C
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\(\pi\)
e
\(\frac{a}{b}\)
!
←
→
(
)
\(\sqrt{\,}\)
\(a^{b}\)
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9
\(\div\)
log
ln
4
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\(\times\)
cos
cos⁻¹
1
2
3
-
sin
sin⁻¹
0
.
=
+
tan
tan⁻¹
You deposit \(\dollar 1\,500\) in a savings account that pays simple interest at a rate of \(4\pourcent\) per year.
Let \(u_n\) be the amount of money in your account after \(n\) years.
Find the explicit formula for \(u_n\).
\(u_n=\)
\(\pi\)
\(e\)
\(x\)
\(n\)
\(u_n\)
\(f\)
\(\frac{a}{b}\)
\(\sqrt{\,}\)
\({a}^{b}\)
\(\ln{\,}\)
\(\log{\,}\)
!
7
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9
←
→
\(\sin{\,}\)
4
5
6
(
)
\(\cos{\,}\)
1
2
3
\(\times\)
\(\div\)
\(\tan{\,}\)
C
0
.
+
-
=
What is your amount at year 20?
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9
+
4
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6
-
1
2
3
*
C
0
.
÷
dollars
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