8. $lim_{x\rightarrow0}\frac{e^{x}-1}{x}$\n|$x$|$-0.1$|$-0.01$|$-0.001$|$0.001$|$0.01$|$0.1$|\n|$f(x)$| | |…

8. $lim_{x\rightarrow0}\frac{e^{x}-1}{x}$\n|$x$|$-0.1$|$-0.01$|$-0.001$|$0.001$|$0.01$|$0.1$|\n|$f(x)$| | | | | | |\n9. $lim_{x\rightarrow0}\frac{sin x}{x}$\n|$x$|$pm1$|$pm0.5$|$pm0.1$|$pm0.05$|$pm0.01$|\n|$f(x)$| | | | | |\n10. $lim_{x\rightarrow0^{+}}xln x$\n|$x$|$0.1$|$0.01$|$0.001$|$0.0001$|$0.00001$|\n|$f(x)$| | | | | |
Answer
Explanation:
Step1: Calculate for $x = - 0.1$ in $\lim_{x\rightarrow0}\frac{e^{x}-1}{x}$
Substitute $x=-0.1$ into $\frac{e^{x}-1}{x}$, we get $\frac{e^{-0.1}-1}{-0.1}=\frac{\frac{1}{e^{0.1}} - 1}{-0.1}\approx\frac{0.9048 - 1}{-0.1}=\frac{- 0.0952}{-0.1}=0.952$
Step2: Calculate for $x = - 0.01$ in $\lim_{x\rightarrow0}\frac{e^{x}-1}{x}$
Substitute $x = - 0.01$ into $\frac{e^{x}-1}{x}$, we get $\frac{e^{-0.01}-1}{-0.01}=\frac{\frac{1}{e^{0.01}}-1}{-0.01}\approx\frac{0.99005 - 1}{-0.01}=\frac{-0.00995}{-0.01}=0.995$
Step3: Calculate for $x=-0.001$ in $\lim_{x\rightarrow0}\frac{e^{x}-1}{x}$
Substitute $x=-0.001$ into $\frac{e^{x}-1}{x}$, we get $\frac{e^{-0.001}-1}{-0.001}=\frac{\frac{1}{e^{0.001}}-1}{-0.001}\approx\frac{0.9990005 - 1}{-0.001}=\frac{- 0.0009995}{-0.001}=0.9995$
Step4: Calculate for $x = 0.001$ in $\lim_{x\rightarrow0}\frac{e^{x}-1}{x}$
Substitute $x = 0.001$ into $\frac{e^{x}-1}{x}$, we get $\frac{e^{0.001}-1}{0.001}\approx\frac{1.0010005 - 1}{0.001}=\frac{0.0010005}{0.001}=1.0005$
Step5: Calculate for $x = 0.01$ in $\lim_{x\rightarrow0}\frac{e^{x}-1}{x}$
Substitute $x = 0.01$ into $\frac{e^{x}-1}{x}$, we get $\frac{e^{0.01}-1}{0.01}\approx\frac{1.01005 - 1}{0.01}=\frac{0.01005}{0.01}=1.005$
Step6: Calculate for $x = 0.1$ in $\lim_{x\rightarrow0}\frac{e^{x}-1}{x}$
Substitute $x = 0.1$ into $\frac{e^{x}-1}{x}$, we get $\frac{e^{0.1}-1}{0.1}\approx\frac{1.1052 - 1}{0.1}=\frac{0.1052}{0.1}=1.052$
For $\lim_{x\rightarrow0}\frac{\sin x}{x}$:
Step7: Calculate for $x = 1$
Substitute $x = 1$ into $\frac{\sin x}{x}$, we get $\frac{\sin1}{1}\approx0.8415$
Step8: Calculate for $x=-1$
Substitute $x=-1$ into $\frac{\sin x}{x}$, we get $\frac{\sin(-1)}{-1}=\frac{-\sin1}{-1}\approx0.8415$
Step9: Calculate for $x = 0.5$
Substitute $x = 0.5$ into $\frac{\sin x}{x}$, we get $\frac{\sin0.5}{0.5}\approx\frac{0.4794}{0.5}=0.9589$
Step10: Calculate for $x=-0.5$
Substitute $x=-0.5$ into $\frac{\sin x}{x}$, we get $\frac{\sin(-0.5)}{-0.5}=\frac{-\sin0.5}{-0.5}\approx0.9589$
Step11: Calculate for $x = 0.1$
Substitute $x = 0.1$ into $\frac{\sin x}{x}$, we get $\frac{\sin0.1}{0.1}\approx\frac{0.0998}{0.1}=0.9983$
Step12: Calculate for $x=-0.1$
Substitute $x=-0.1$ into $\frac{\sin x}{x}$, we get $\frac{\sin(-0.1)}{-0.1}=\frac{-\sin0.1}{-0.1}\approx0.9983$
Step13: Calculate for $x = 0.05$
Substitute $x = 0.05$ into $\frac{\sin x}{x}$, we get $\frac{\sin0.05}{0.05}\approx\frac{0.0499}{0.05}=0.9983$
Step14: Calculate for $x=-0.05$
Substitute $x=-0.05$ into $\frac{\sin x}{x}$, we get $\frac{\sin(-0.05)}{-0.05}=\frac{-\sin0.05}{-0.05}\approx0.9983$
Step15: Calculate for $x = 0.01$
Substitute $x = 0.01$ into $\frac{\sin x}{x}$, we get $\frac{\sin0.01}{0.01}\approx\frac{0.0099998}{0.01}=0.99998$
Step16: Calculate for $x=-0.01$
Substitute $x=-0.01$ into $\frac{\sin x}{x}$, we get $\frac{\sin(-0.01)}{-0.01}=\frac{-\sin0.01}{-0.01}\approx0.99998$
For $\lim_{x\rightarrow0^{+}}x\ln x$:
Step17: Calculate for $x = 0.1$
Substitute $x = 0.1$ into $x\ln x$, we get $0.1\times\ln(0.1)=0.1\times(- 2.3026)=-0.2303$
Step18: Calculate for $x = 0.01$
Substitute $x = 0.01$ into $x\ln x$, we get $0.01\times\ln(0.01)=0.01\times(-4.6052)=-0.0461$
Step19: Calculate for $x = 0.001$
Substitute $x = 0.001$ into $x\ln x$, we get $0.001\times\ln(0.001)=0.001\times(-6.9078)=-0.0069$
Step20: Calculate for $x = 0.0001$
Substitute $x = 0.0001$ into $x\ln x$, we get $0.0001\times\ln(0.0001)=0.0001\times(-9.2103)=-0.0009$
Step21: Calculate for $x = 0.00001$
Substitute $x = 0.00001$ into $x\ln x$, we get $0.00001\times\ln(0.00001)=0.00001\times(-11.5129)=-0.0001$
Answer:
| $x$ | -0.1 | -0.01 | -0.001 | 0.001 | 0.01 | 0.1 |
|---|---|---|---|---|---|---|
| $f(x)$ for $\lim_{x\rightarrow0}\frac{e^{x}-1}{x}$ | 0.952 | 0.995 | 0.9995 | 1.0005 | 1.005 | 1.052 |
| $x$ | $\pm1$ | $\pm0.5$ | $\pm0.1$ | $\pm0.05$ | $\pm0.01$ |
|---|---|---|---|---|---|
| $f(x)$ for $\lim_{x\rightarrow0}\frac{\sin x}{x}$ | 0.8415 | 0.9589 | 0.9983 | 0.9983 | 0.99998 |
| $x$ | 0.1 | 0.01 | 0.001 | 0.0001 | 0.00001 |
|---|---|---|---|---|---|
| $f(x)$ for $\lim_{x\rightarrow0^{+}}x\ln x$ | -0.2303 | -0.0461 | -0.0069 | -0.0009 | -0.0001 |