limit fungsi aljabar

$$\lim_{x\rightarrow-5}\ ⁡(2x^4+3x^3-25)$$  adalah ....

Nilai $$\lim_{x\rightarrow1}\ \frac{x^2\ -\ 5x\ +\ 4}{x\ -\ 1}\$$  adalah ....

$$\lim_{x\rightarrow16}\ \frac{\sqrt{x}\ -\ 4}{x\ -\ 16}$$  = ....

$$\lim_{x\rightarrow2}\ \frac{x^2-4}{2x^2+4x-16}\ =....$$  

$$\lim_{x\rightarrow2}\ \ \frac{x^2-5x+6}{x^2+2x-8}\ =\ ....$$  

tentukan hasil dari $$\lim_{x\rightarrow1}\left(\frac{x-2}{x+3}\right)=$$  

Nilai dari

$$\lim_{x\rightarrow-4}\ \frac{x^2-6x+8}{x-4}=....$$  

$$\lim_{x\rightarrow1}\ \frac{2x^2-x-3}{3x^2+8x+5}=$$  

$$\lim_{x\rightarrow3}\ \frac{x^2-10x+21}{x^2-9}=$$