Limits

Which of the following is not an indeterminate form?

$$\lim_{x\rightarrow a\ }\ \frac{\ x^n-a^n}{x-a}is\ equal\ to$$

$$\lim_{x\rightarrow\infty\ }\ \frac{\ 3x^{2\ }+4x-1}{4x^2+5}\ is\ equal\ to$$

$$\lim_{t\rightarrow1}\ \frac{4}{t-9}\ is\ equal\ to$$

$$\lim_{x\rightarrow0}\frac{\log_e\left(1+x\right)}{3x}\ is$$

$$\lim_{x\rightarrow0}\ \frac{\sin x\degree\ \ \ }{x}\ is\ equal\ to$$

$$\lim_{x\rightarrow0}\ \sin\left(\frac{1}{x}\right)$$

$$\lim_{x\rightarrow0}\cos\ x$$  

$$\lim_{x\rightarrow0}\ \frac{\cos x}{x}$$  

$$\lim_{x\rightarrow0}\ \frac{\tan x}{x}$$  

$$\lim_{x\rightarrow\infty}\ \frac{\sin x}{x}$$  

$$\lim_{x\rightarrow\ -\ \infty}\ 10^x$$  

$$\lim_{x\rightarrow4}-\ f(x)\ is\ equal\ to$$

From the figure alongside what is the value of $$\lim_{x\rightarrow2}\ f\left(x\right)$$