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\(\pi\)
e
\(\frac{a}{b}\)
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\(\sqrt{\,}\)
\(a^{b}\)
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\(\div\)
log
ln
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\(\times\)
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sin
sin⁻¹
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tan
tan⁻¹
A school has 150 students in 2025. Each year, \(20\pourcent\) of the students leave the school, and the school admits 50 new students.
Let \((u_n)\) be the sequence corresponding to the number of students in the school in 2025 + \(n\).
How many students will there be in 2026?
7
8
9
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4
5
6
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1
2
3
*
C
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How many students will there be in 2027?
7
8
9
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4
5
6
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1
2
3
*
C
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For all \(n\in\N\), express \(u_{n+1}\) in terms of \(u_n\).
\(u_{n+1}=\)
\(\pi\)
\(e\)
\(x\)
\(n\)
\(u_n\)
\(f\)
\(\frac{a}{b}\)
\(\sqrt{\,}\)
\({a}^{b}\)
\(\ln{\,}\)
\(\log{\,}\)
!
7
8
9
←
→
\(\sin{\,}\)
4
5
6
(
)
\(\cos{\,}\)
1
2
3
\(\times\)
\(\div\)
\(\tan{\,}\)
C
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