แบบทดสอบลิมิตซ้าย ลิมิตขวา
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การหาค่าลิมิตทางซ้าย ลิมิตทางขวา
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Question 1 of 10
1. Question
1 pointsจงหาค่า \(\displaystyle\lim_{x\rightarrow 1}f(x)\) เมื่อ
\(f(x)=\left\{\begin{matrix}
& 2x+1 \quad when \quad x\geq 1\\
& 4x-1 \quad when \quad x <1
\end{matrix}\right.\) -
Question 2 of 10
2. Question
1 pointsจงหาค่า \(\displaystyle\lim_{x\rightarrow 0} f(x)\) เมื่อ
\(f(x)=\left\{\begin{matrix}
&2-x \quad when \quad x\geq 0 \\
& 3x+1\quad when \quad x <0
\end{matrix}\right.\) -
Question 3 of 10
3. Question
1 pointsจงหาค่า \(\displaystyle\lim_{x\rightarrow -1} f(x)\) เมื่อ
\(f(x)=\left\{\begin{matrix}
& x+2\quad when \quad x\geq 3\\
& x-1\quad when \quad x<3
\end{matrix}\right.\) -
Question 4 of 10
4. Question
1 pointsจงหาค่า \(\displaystyle\lim_{x\rightarrow 2} f(x)\) เมื่อ
\(f(x)=\left\{\begin{matrix}
& \frac{x^{2}-3x+2}{2-x} \quad when \quad x\geq 2\\
& 2x-3 \quad when \quad x<2
\end{matrix}\right.\) -
Question 5 of 10
5. Question
1 pointsจงหาค่า \(displaystyle\lim_{x\rightarrow 4} f(x)\) เมื่อ
\(f(x)=\left\{\begin{matrix}
&\frac{x^{2}-16}{\sqrt{x}-2} \quad when\quad x\geq 4\\
& 7x+4\quad when\quad x<4
\end{matrix}\right.\) -
Question 6 of 10
6. Question
1 pointsจงหาค่า \(\displaystyle\lim_{x\rightarrow 1} f(x)\) เมื่อ \(f(x)=\frac{|x-1|}{x^{2}-1}\)
-
Question 7 of 10
7. Question
1 pointsจงหาค่า \(\displaystyle\lim_{x\rightarrow 2^{-}}\) เมื่อ
\(f(x)=\left\{\begin{matrix}
& \frac{|x-2|}{x^{2}-3x+3}\\
&
\end{matrix}\right.\) -
Question 8 of 10
8. Question
1 pointsจงหาค่า \(\displaystyle\lim_{x\rightarrow 0^{-}}f(1+x)\) เมื่อ
\(f(x)=\left\{\begin{matrix}
&x^{2}\quad when\quad x\geq 1 \\
& 2x+1\quad when \quad x<1
\end{matrix}\right.\) -
Question 9 of 10
9. Question
1 pointsค่าของ \(\displaystyle\lim_{x\rightarrow 1^{-}}\frac{1}{\sqrt{1-x}}(1-\frac{2x^{3}}{x^{2}+1})\)
-
Question 10 of 10
10. Question
1 pointsค่าของ \(\displaystyle\lim_{x\rightarrow 0^{-}}\frac{\sqrt{x^{3}+x^{2}}+x}{x^{2}}\) เท่ากับเท่าใด
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